Where does “Milford” come from?

Milford derives from Old English mylen, from Latin millesimum, ultimately from Proto-Indo-European per-, referring to a mill situated by a ford.

Ancestry of “Milford”, step by step

Step	Language	Word	Meaning
1	English	Mill	—
2	English	million	The cardinal number 1,000,000: 10; a thousand...
3	Middle English	milioun	—
4	Middle French	million	million, 10
5	Old French	millon	—
6	Italian	milione	million
7	Italian	mille	thousand
8	Latin	Mīlle	—
9	Proto-Italic	smīɣeslī	—
10	Proto-Indo-European	smih₂ǵʰéslih₂	—

Milford — Etymology, Origin & Word History | Etymology Explorer