English

haircap

From hair + cap.

A compound of hair + cap

Proto-Germanic *hērą

Proto-West Germanic *hār

Old English hǣr

Middle English her ‘a hair’

English hair

Latin caput ‘head’

Late Latin cappa ‘cap, hood, cape’

Proto-West Germanic *kappā ‘covering, hood, mantle’

Old English cæppe ‘cap, hood’

Middle English cappe ‘cap’

English cap

Today it means

noun Any of various mosses of the family Polytrichaceae.

Language periods are conventional ranges, not dates for this word.