counterjet

English

Etymology

Etymology tree

Proto-Indo-European *ḱe?

Proto-Indo-European *ḱóm

Proto-Italic *kom

Proto-Italic *kom-

Proto-Indo-European *-teros

Proto-Italic *-teros

Proto-Italic *komterosder.

Proto-Italic *komterād

Latin contrāder.

Old French contre-

Anglo-Norman countre-bor.

Middle English counter-

English counter-

Proto-Indo-European *(H)yeh₁-

Proto-Indo-European *-kt

Proto-Indo-European *(H)yéh₁kt ~ *(H)ih₁kéntder.

Latin iaciō

Proto-Indo-European *-tus

Proto-Italic *-tus

Latin -tus

Latin iactus

Vulgar Latin *iectus

Old French get

French jetbor.

English jet

English counterjet

From counter- + jet.

Pronunciation

• (US) IPA^(key): /kʰaʊntɚd͡ʒɛt/

Noun

counterjet (plural counterjets)

1. (physics) An opposing jet.
   • 2015, Robert A. Fesen, Dan Milisavljevic, “An HST Survey of the Highest-Velocity Ejecta in Cassiopeia A”, in arXiv‎^[1]:

     We estimate a total mass ~0.1 Msun and a kinetic energy of at least ~1 x10^50 erg for S-rich ejecta in the NE jet and SW counterjet.