Where does “megabillion” come from?

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

megabillion (English): A great number of billions

Definitions

  1. A great number of billions

Ancestry of “megabillion”, step by step

megabillion traces back through two separate lines of ancestry.

via English billion

StepLanguageWordMeaning
1Englishbillioncardinal...
2Frenchbillion10; a long scale billion; a short scale trillion
3French-illionillion
4Frenchmillionmillion, 10
5Middle Frenchmillionmillion, 10
6Old Frenchmillon
7Italianmilionemillion
8Italianmillethousand
9LatinMīllethousand; 1000
10Proto-Italicsmīɣeslīthousand
11Proto-Indo-Europeansmih₂ǵʰéslih₂

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European smih₂ǵʰéslih₂Every word from Proto-Italic smīɣeslīEvery word from Latin Mīlle