Where does “quintillionaire” come from?

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

quintillionaire (English): Somebody whose wealth is at least one quintillion (10) currency units

Definitions

  1. Somebody whose wealth is at least one quintillion (10) currency units

Ancestry of “quintillionaire”, step by step

quintillionaire traces back through two separate lines of ancestry.

via English quintillion

StepLanguageWordMeaning
1EnglishquintillionA billion billion: 1 followed by eighteen zeros,...
2Frenchquintillion10; a quintillion by the long scale; a short...
3French-illionillion
4Frenchmillionmillion, 10
5Middle Frenchmillionmillion, 10
6Old Frenchmillon
7Italianmilionemillion
8Italianmillethousand
9LatinMīllethousand; 1000
10Proto-Italicsmīɣeslīthousand
11Proto-Indo-Europeansmih₂ǵʰéslih₂

via English aire

StepLanguageWordMeaning
1EnglishaireObsolete spelling of air
Every word from Proto-Indo-European smih₂ǵʰéslih₂Every word from Proto-Italic smīɣeslīEvery word from Latin Mīlle