English

kilobecquerel

From kilo- + becquerel.

Proto-Indo-European *ǵʰes- ‘hand’

Proto-Indo-European *ǵʰesliyoy

Proto-Hellenic *kʰehliyoi ‘thousand’

Ancient Greek χίλιοι ‘one thousand’

English kilo-

French becquerel

Today it means

noun A unit of radioactivity equal to one thousand becquerels

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

Etymograph / kilobecquerel