English

retrofire

From retro- + fire.

A compound of retro- + fire

Latin retrō ‘back, backwards, behind’

Proto-Indo-European *péh₂wr̥

…

Proto-Germanic *fuïr

Proto-West Germanic *fuir

Old English fȳr ‘fire’

Middle English fyr

English fire

Today it means

noun The firing of rockets directed opposite to a craft's direction of motion in order to slow down.

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

Etymograph / retrofire