Etymograph

English

kilonova

From kilo- + nova.

Formed from kilo- + nova

Proto-Indo-European *ǵʰes- ‘hand’

Proto-Indo-European *ǵʰesliyoy

Proto-Hellenic *kʰehliyoi ‘thousand’

Ancient Greek χίλιοι ‘one thousand’

English kilo-

Proto-Indo-European *nu ‘now’

Proto-Indo-European *néwos ‘new’

Proto-Italic *nowos ‘new’

Latin novus ‘new’

English nova

Today it means

noun A type of supernova that is underluminous, caused by the merger of two neutron stars

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

Etymograph / kilonova