Where does “decillionaire” come from?

decillionaire (English) comes from English decillion, from English -illion, from English million, from Middle English milioun, from Middle French million, from Old French millon, from Italian milione, from Italian mille.

decillionaire (English): Somebody whose wealth is at least one decillion (10) currency units

Definitions

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

Ancestry of “decillionaire”, step by step

StepLanguageWordMeaning
1Englishdecillion10
2English-illionCombined with Latin prefixes for names of...
3EnglishmillionThe cardinal number 1,000,000: 10; a thousand...
4Middle EnglishmiliounThe cardinal number 1 000 000: 106; a thousand thousand
5Middle Frenchmillionmillion, 10
6Old Frenchmillon—
7Italianmilionemillion
8Italianmillethousand
9LatinMīllethousand; 1000
10Proto-Italicsmīɣeslīthousand
11Proto-Indo-Europeansmih₂ǵʰéslih₂—
Every word from Proto-Indo-European smih₂ǵʰéslih₂ →Every word from Proto-Italic smīɣeslī →Every word from Latin Mīlle →