Where does “katrillionaire” come from?

katrillionaire (English) comes from English katrillion, from English trillion, from French trillion, from French -illion, from French million, from Middle French million, from Old French millon, from Italian milione.

katrillionaire (English): An extremely wealthy person

Definitions

  1. An extremely wealthy person

Ancestry of “katrillionaire”, step by step

katrillionaire traces back through two separate lines of ancestry.

via English katrillion

StepLanguageWordMeaning
1EnglishkatrillionAn unspecified large number
2EnglishtrillionA million million: 1 followed by twelve zeros,...
3Frenchtrillion10; a long scale trillion; a short scale...
4French-illionillion
5Frenchmillionmillion, 10
6Middle Frenchmillionmillion, 10
7Old Frenchmillon—
8Italianmilionemillion
9Italianmillethousand
10LatinMīllethousand; 1000
11Proto-Italicsmīɣeslīthousand
12Proto-Indo-Europeansmih₂ǵʰéslih₂—

via English aire

StepLanguageWordMeaning
1EnglishaireObsolete spelling of air
Every word from Proto-Indo-European smih₂ǵʰéslih₂ →Every word from Proto-Italic smīɣeslī →Every word from Latin Mīlle →