Where does “quintillionth” come from?

quintillionth (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.

quintillionth (English): The ordinal form of the number one quintillion;...

Definitions

  1. The ordinal form of the number one quintillion;...

Ancestry of “quintillionth”, step by step

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
Every word from Proto-Indo-European smih₂ǵʰéslih₂Every word from Proto-Italic smīɣeslīEvery word from Latin Mīlle
quintillionth — Etymology, Origin & Word History | Etymology Explorer