Hiberno-Celtic

·noun The native language of the Irish; that branch of the Celtic languages spoken by the natives of Ireland. Also ·adj

Celtic
·noun The language of the Celts. II. Celtic ·adj Of or pertaining to the Celts; as, Celtic people, ...

Webster's Dictionary of the English Language
hiberno
hīberno, āvi, ātum, 1, v. n. [hibernus], to pass the winter, to winter. I In gen.: furcillas reduci...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
hiberno
hībernō āvī, ātūrus, āre hibernus, to pass the winter, winter, occupy winter-quarters : exercitum ...

An Elementary Latin Dictionary