Where does “decabillionaire” come from?

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

decabillionaire (English): A person whose wealth is greater than ten billion (1010) dollars, or other currency

Definitions

  1. A person whose wealth is greater than ten billion (1010) dollars, or other currency

Ancestry of “decabillionaire”, step by step

StepLanguageWordMeaning
1EnglishbillionaireSomebody whose wealth is greater than one billion...
2Englishbillioncardinal...
3Frenchbillion10; a long scale billion; a short scale trillion
4French-illionillion
5Frenchmillionmillion, 10
6Middle Frenchmillionmillion, 10
7Old Frenchmillon
8Italianmilionemillion
9Italianmillethousand
10LatinMīllethousand; 1000
11Proto-Italicsmīɣeslīthousand
12Proto-Indo-Europeansmih₂ǵʰéslih₂
Every word from Proto-Indo-European smih₂ǵʰéslih₂