English

airpack

air + pack

A compound of air + pack

Ancient Greek ᾱ̓ήρ ‘mist, air’

Latin āēr

Old French air

Middle English aire

English air

Proto-Germanic *pakkô ‘bundle, pack’

Proto-West Germanic *pakkō

Middle English pak ‘a bundle or package’

English pack

Today it means

noun Synonym of SCBA (“self-containing breathing apparatus”).

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