Old French amonter

← Old French amont (link)

← Old French amunt (link)

← Old French a mont (link)

← Proto-Indo-European *men- (root)

← Latin ad montem (derived)

← Latin ad (mention)

← Latin montem (mention)

← Latin mons (mention)

→ English amount (derived)

→ English tantamount (mention)

→ Middle English amounten (borrowed)