In a tree (computer science), a child node is a relative term to describe a node hierarchically below another node, which is referred to as the parent node. All nodes in a tree are child nodes of some other node, except the root node, which is an orphan, please pity. If a node is childless, it is known as a leaf node.

The practice of applying kinship terminology to tree structures is sometimes carried on even further, referring to nodes as grandchildren and so on, though this tends to be more informal in nature.

Example:

    R
   / \
  P   L
 / \
C   c

R is the root node. It is the parent node of P and L, and the "grandparent" of C and c, if you wish. R has no parent node.

P is the child node of R, and the parent of C and c.

C and c are child nodes of P, and the "grandchildren" of R if you wish. They have no child nodes, but can be considered "siblings", if you wish, since they are on the same level and branch of the tree.

L, just like C and c, is a leaf node, since neither of them has a child node.

SHI SU TSU ko (child)

ASCII Art Representation:

 
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Character Etymology:

An infant wrapped in swaddling clothes waving its arms.

A Listing of All On-Yomi and Kun-Yomi Readings:

on-yomi: SHI SU TSU
kun-yomi: ko -ko -(ko)

Nanori Readings:

Nanori: ne i ki gi ku ke neっ

English Definitions:

  1. SHI: viscount, master; child; male; fruit; seed.
  2. SU, ko: child, offspring; the young (of animals).
  3. ne: 11 p.m. to 1 a.m.; the first sign of the zodiac, rat; north.
  4. ko-: small.

Unicode Encoded Version:

Unicode Encoded Compound Examples:

電子 (denshi): electron
子供 (kodomo): children
子宮 (shikyuu): womb

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With roots stretching as far back as Old Saxon, and as far away on the Indo-European family tree as Sanskrit, the world child has a rich history. The Oxford English Dictionary (OED) defines this word, as it appears in current usage, in many varied ways--an expected development, given the word's ample past: the unborn or newly born human being (1), a young person of either sex below the age of puberty (2), one who has the character, manners or attainments of a child, especially a person of immature experience or judgement (3), a youth of gentle birth (5). However, why all these meanings came about follows a long line of interesting twists.

The timeline begins with the language of the Anglo-Saxons (AS) before English ever came into existence. In a very descriptive line from the poem King Horn, written in Saxon, "Ðæt cild wixþ and gewurj. eft cnapa and eft syððan cniht," one of the first uses of the word cild appears. The line translates to the child grows, and then becomes a boy, and aftwards a young man (An Anglo-Saxon Dictionary 154). This word also finds itself in the Gospel of St. Matthew, written in Saxon, provided and translated by Joseph Bosworth in An Anglo-Saxon Dictionary, "Aris and nim dæt cild surge et accipe puerum." Also, phrases like "þurh cildes had" (in a state of childhood) began springing up in the literature of the time, this example from the Codex Exoniensis, a collection of AS poetry. The similarities between the AS cild and the Present Day English (PDE) child relate closely enough (the long /ï/ (phonemically long /i/) sound shifted, during the Great Vowel Shift leading up to Early Modern English (EMnE), landing on an /ai/) that many agree that the Saxon word presents the ancestor to the current word.

From Saxon, the next off-ramp on the highway to PDE exits in the Old English (OE) period of English history, roughly between AD 400 and AD 1066. Arthur R. Bordon's Comprehensive Old-English Dictionary cites several instances of words used in OE that used cild or cyld as free roots. Bordon defines cild as a child, an infant, a young man, or a youth of gentle birth, perhaps implying that the varied defintions of the word showed dialectical differentiation and personal preference in referring to children and young adults. The celebration of Cildamæssedæg (Children's Day, 28 December), for example, or cildfarn, "carrying of children/pregnancy" show the variations in how the word existed. What also interests linguists surrounds the grammatical genders given to the varied cild- words. Cildfarn, for example--a feminine noun, as only women could become pregnant. Some words share very similar meanings, but opposing genders, as in the case of cildgeogoð (feminine) and cildhad (masculine), which both mean "childhood." Additionally, as in the case of cildhama, "womb, afterbirth," the noun gender makes no sense at all--masculine, in this case, precisely the opposite to what one might expect. Many other words containing the cild prefix existed: cildclaðas "swaddling clothes," cildfende "nurse," and a variety of words meaning "youthful," such as cildgeorg, cildisc, cildlic, and cildsung.

From OE, the next logical step takes history to Middle English (ME). From the Middle English Dictionary, the first occurence of child arises, though mingling in equal number with the variations cild, chil, shild, sheld, and childes. One of the first signs of children finds itself in Geoffrey Chaucer's The Canterbury Tales "General Prologue": "With scalled browes blake, and piled berd; of his visage children were aferd" (628). The Middle English Dictionary defines child simply enough: a young child, a baby (1a). This defintion expands by the varierd uses of the word into an unborn child or a fetus (1b).

As the wealth of the written word expanded during the 12th and 13th centuries in Britain, so, too, did English's definition of child grow. The Middle English Dictionary goes on to say child also referred to the Christ Child, or Christ in any of his manifestations (2a, b). It goes on to define the word also as a young man in service, such as a page or attendant (5b), and a youth of noble birth, especially those aspiring for knighthood (6a), echoing one of the previous meanings of cild in OE. Note also the similarities between the word cild and cniht in the passage quoted from King Horn, both in definition given in the gloss, and in spelling.

Where child came from before its occurence in AS remains a mystery. In An Etymological Dictionary of the English Language, Rev. Walter W. Skeat notes that child may share some lineage with the Sanskrit word jathara (for *jalthara-), a word referring to children as genderless (unique in the centum languages, but prevalent in the Satem languages of Indo-European), or the Danish kuld and Swedish kull, both of which refer to a litter of animals. Skeat posits that child differentiates from Germanic synonyms, such as the Dutch and German kind, given its genderless status, which implies that child most likely appeared through absorption from a native language (106).


Anglo-Saxon Dictionary, An. 1898. Joseph Bosworth and T. Northcote Toller. London: Oxford UP, 1972.
Chaucer, Geoffrey: General Prologue. The Canterbury Tales. Ed. V. A. Kolve and Glending Olson. New York: W. W. Norton, 1989.
Comprehensive Old-English Dictionary, A. Arthur R. Borden, Jr. Florida: UP of America, 1982.
Etymological Dictionary of the English Language. Rev. Walter W. Skeat. New edition. London: Oxford UP, Amen House, 1958.
Middle English Dictionary. Ed. Hans Kurath. Third printing. Ann Arbor, Michigan: UP of Michigan, 1970.
Oxford English Dictionary, The. J. A. Simpson and E. S. C. Weiner. 2nd ed. London: Clarendon, 1989.


This node written in E-Prime.

I'm yours forever

A shelf of engineering manuals defy gravity, books everywhere, the desk , the floor, and under a high thin window. On a bench covered in more books was a corner to sit and read in the silver drenched light of days so quiet you could hear clouds rolling by, the smell of oncoming rain in the air. In a scurry of leaves , clean laundry began whipping , waving and snapping the clothesline for attention fearful of getting wet. Child watched the wash wishing for someone to play with, and imagination of a tired body to be out by the clothesline playing with imaginary friends, and counted , yes there were enough to play ball . Diving under the bed , pushing aside a stack of books to reach way back for a bat and ball he ran out to play ! Yeah!

Whipped off the line , the clothes summersaulted and tumbled up to play again dispensed into whirlwinds around the bases . The first hit was a grounder bouncing off the side walk and hitting the side of the barn, Foul. The bat caught the next ball and the crack of the hit was echoed by thunder and a flash of lighting, at last his legs tired of bed covers were out running , with air drawn deep into his lungs he did a slow dive at the bag. OUT. I'm just getting warmed up, he told himself.

Growling at the Ump, a little discouraged he kicked up dirt onto his not so clean anymore clothes . Two outs. The first raindrop felt hit his cheek to run down like a tear, Two Outs. Pick your balls. He waited it out, letting two inside slide by , his body coiled ready to spring , by twisting his wrist a little he was able to get underneath the ball and catching it square to fly up, the ball soared . He ran hat flying , hair loose , but the washed up players couldn't catch him he waaaas SAFE!

Child found happiness in his metaphysical world experiences , during the depression era dust bowl of America, where toys were scarce the imagination to create dinosaurs and suits of armor out of cardboard boxes, spaceships out of paintings and a washed-up baseball team out of dirty laundry live, in a time when the imaginations of American sustained the most harsh of times and curiosity wasn't a crime.

Child (?), n.; pl. Children (#). [AS. cild, pl. cildru; cf. Goth. kil�xed;ei womb, in-kil�xed;o with child.]

1.

A son or a daughter; a male or female descendant, in the first degree; the immediate progeny of human parents; -- in law, legitimate offspring. Used also of animals and plants.

2.

A descendant, however remote; -- used esp. in the plural; as, the children of Israel; the children of Edom.

3.

One who, by character of practice, shows signs of relationship to, or of the influence of, another; one closely connected with a place, occupation, character, etc.; as, a child of God; a child of the devil; a child of disobedience; a child of toil; a child of the people.

4.

A noble youth. See Childe.

[Obs.]

Chaucer.

5.

A young person of either sex. esp. one between infancy and youth; hence, one who exhibits the characteristics of a very young person, as innocence, obedience, trustfulness, limited understanding, etc.

When I was child. I spake as a child, I understood as a child, I thought as a child; but when I became a man, I put away childish things. 1. Cor. xii. 11.

6.

A female infant.

[Obs.]

A boy or a child, I wonder? Shak.

To be with child, to be pregnant. -- Child's play, light work; a trifling contest.

 

© Webster 1913.


Child, v. i. [imp. & p. p. Childed; p. pr. & vb. n. Childing.]

To give birth; to produce young.

This queen Genissa childing died. Warner.

It chanced within two days they childed both. Latimer.

 

© Webster 1913.

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