Where does “mīl” come from?

mīl (Old Frisian) comes from Proto-West Germanic mīliju, from Latin Mīlle, from Proto-Italic smīɣeslī, from Proto-Indo-European smih₂ǵʰéslih₂.

Ancestry of “mīl”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	mīliju	mile
2	Latin	Mīlle	—
3	Proto-Italic	smīɣeslī	—
4	Proto-Indo-European	smih₂ǵʰéslih₂	—

mīl — Etymology, Origin & Word History | Etymology Explorer