Where does “Japheth” come from?

Japheth comes from Middle English Jafeth, from Middle French Japhet, from Latin Iapheth, from Hebrew יֶפֶת.

Ancestry of “Japheth”, step by step

Step	Language	Word	Meaning
1	Middle English	Jafeth	—
2	Old English	Iafeth	—
3	Latin	Iaphet	—
4	Koine Greek	Ἰάφεθ	—
5	Hebrew	יֶפֶת	—