Where does “millon” come from?

millon (Old French) comes from Italian milione, from Italian mille, from Latin Mīlle, from Proto-Italic smīɣeslī, from Proto-Indo-European smih₂ǵʰéslih₂.

Ancestry of “millon”, step by step

Step	Language	Word	Meaning
1	Italian	milione	million
2	Italian	mille	thousand
3	Latin	Mīlle	—
4	Proto-Italic	smīɣeslī	—
5	Proto-Indo-European	smih₂ǵʰéslih₂	—

Every word from Proto-Indo-European smih₂ǵʰéslih₂ →

millon — Etymology, Origin & Word History | Etymology Explorer