Where does “jettison” come from?

Jettison comes from Anglo-Norman getteson, from Old French getaison, derived from Old French geter and jeter meaning to throw, from Latin iactare and iacere with the same sense.

jettison (English): Items that have been or are about to be ejected...

Definitions

  1. Items that have been or are about to be ejected...

Ancestry of “jettison”, step by step

StepLanguageWordMeaning
1Anglo-Normangetteson—
2Old Frenchgetaisona throwing
3Latiniactōto throw, cast, hurl
4Latiniaciōto throw, hurl, cast, fling; throw away
5Proto-Indo-European(H)yeh₁-to throw

Words derived from “jettison”

Every word from Proto-Indo-European (H)yeh₁- →Every word from Latin iaciō →Every word from Latin iactō →