English

kilogray

From kilo- + gray.

A compound of kilo- + gray

Proto-Indo-European *ǵʰes- ‘hand’

Proto-Indo-European *ǵʰesliyoy

Proto-Hellenic *kʰehliyoi ‘thousand’

Ancient Greek χίλιοι ‘one thousand’

English kilo-

Proto-Germanic *grēwaz ‘grey’

Proto-West Germanic *grāg

Old English grǣġ ‘grey’

Middle English gray

English gray

Today it means

noun An SI unit of absorbed energy from ionizing radiation equal to 10³ grays. Symbol: k

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

Etymograph / kilogray