orphan = O = orthogonal

orphaned i-node /or'f*nd i:'nohd/ n.

[Unix] 1. [techspeak] A file that retains storage but no longer appears in the directories of a filesystem. 2. By extension, a pejorative for any person no longer serving a useful function within some organization, esp. lion food without subordinates.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.