Etymology Explorer › English

Where does “-illion” come from?

-illion (English) comes from English million, from Middle English milioun, from Middle French million, from Old French millon, from Italian milione, from Italian mille, from Latin Mīlle, from Proto-Italic smīɣeslī.

-illion (English): Combined with Latin prefixes for names of...

Definitions

  1. Combined with Latin prefixes for names of...

Ancestry of “-illion”, step by step

StepLanguageWordMeaning
1EnglishmillionThe cardinal number 1,000,000: 10; a thousand...
2Middle Englishmilioun—
3Middle Frenchmillionmillion, 10
4Old Frenchmillon—
5Italianmilionemillion
6Italianmillethousand
7LatinMīlle—
8Proto-Italicsmīɣeslī—
9Proto-Indo-Europeansmih₂ǵʰéslih₂—

Words derived from “-illion”

  • billion
  • billions
  • trillion
  • billionaire
  • multibillion
  • billionth
  • quadrillion
  • trillionth
  • quintillion
  • multibillionaire
  • sextillion
  • trillionaire
  • multitrillion
  • decillion
  • decillionth
  • septillion
  • octillion
  • quadrillionth
  • billionfold
  • quintillionth
  • nonillion
  • multibillions
  • billionairess
  • sextillionth
Every word from Proto-Indo-European smih₂ǵʰéslih₂ →