Per"ti*na*cy (?), n. [L. pertinere to pertain. See Pertinence.]
The quality or state of being pertinent; pertinence.
[Obs.]
© Webster 1913.
Per"ti*na*cy, n. [L. pertinacia, fr. pertinax. See Pertinacious.]
Pertinacity.
[Obs.]
Chaucer.
© Webster 1913.