Etymology Explorer › English

Where does “kilo-” come from?

kilo- (English) comes from French kilo-, from Ancient Greek χίλιοι, from Proto-Hellenic *kʰehliyoi, from Proto-Indo-European ǵʰéslom, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

kilo- (English): API; In the International System of Units and...

Definitions

  1. API; In the International System of Units and...

Ancestry of “kilo-”, step by step

StepLanguageWordMeaning
1Frenchkilo-kilo-
2Ancient Greekχίλιοιthousand
3Proto-Hellenic*kʰehliyoi—
4Proto-Indo-Europeanǵʰéslomthousand
5Proto-Indo-Europeansm̥-one; with, together
6Proto-Indo-Europeansem-together, one

Words derived from “kilo-”

  • k
  • kilowatt
  • kth
  • kilohertz
  • kilovoltage
  • kilocalorie
  • kilobyte
  • kilovolt
  • kilobase
  • kilodalton
  • kilojoule
  • kilolitre
  • kilopascal
  • kiloliter
  • kiloparsec
  • kilomole
  • kilocycle
  • kilonewton
  • kilogauss
  • kilotonne
  • kilobar
  • kiloelectronvolt
  • kilolux
  • kmer
Every word from Proto-Indo-European sem- →