English

retropack

From retro- + pack.

Formed from retro- + pack

Latin retrō ‘back, backwards, behind’

Proto-Germanic *pakkô ‘bundle, pack’

Proto-West Germanic *pakkō

Middle English pak ‘a bundle or package’

English pack

Today it means

noun A group of retrorockets on a spacecraft

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

Etymograph / retropack