English
liquid rocket
From liquid (“fuel”) + rocket.
A compound of liquid ‘fuel’ + rocket
Latin liqueō ‘to be liquid’
Latin liquidus ‘fluid’
Old French liquide
Middle English liquide
English liquid
Proto-Germanic *rukkô ‘a distaff, a staff with flax fibres tied…’
Proto-West Germanic *rokkō
Lombardic rocko ‘spinning wheel’
Italian rocca ‘a distaff’
Italian rocchetta ‘incendiary rocket’
English rocket
Today it means
noun A rocket that uses liquid propellants.
Language periods are conventional ranges, not dates for this word.
Etymograph / liquid rocket