Where does “billionaire” come from?

billionaire (English) comes from English billion, from French billion, from French -illion, from French million, from Middle French million, from Old French millon, from Italian milione, from Italian mille.

billionaire (English): Somebody whose wealth is greater than one billion...

Definitions

  1. Somebody whose wealth is greater than one billion...

Ancestry of “billionaire”, step by step

StepLanguageWordMeaning
1Englishbillioncardinal...
2Frenchbillion10; a long scale billion; a short scale trillion
3French-illionillion
4Frenchmillionmillion, 10
5Middle Frenchmillionmillion, 10
6Old Frenchmillon—
7Italianmilionemillion
8Italianmillethousand
9LatinMīllethousand; 1000
10Proto-Italicsmīɣeslīthousand
11Proto-Indo-Europeansmih₂ǵʰéslih₂—

Words derived from “billionaire”

Every word from Proto-Indo-European smih₂ǵʰéslih₂ →Every word from Proto-Italic smīɣeslī →Every word from Latin Mīlle →