English

air mattress

From air + mattress.

A compound of air + mattress

Ancient Greek ᾱ̓ήρ ‘mist, air’

Latin āēr

Old French air

Middle English aire

English air

Arabic طَرَحَ ‘to throw’

Arabic مَطْرَح ‘place where something is thrown’

Old French matras

Middle English materas ‘a mattress’

Today it means

noun A mattress that is inflated with air, and used as a temporary or permanent bed.

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

Etymograph / air mattress