Where does “ναΐφ” come from?

ναΐφ (Greek) comes from French naïf, from Old French naïf, from Latin nātīvus, from Latin nātus, from Latin gnātus, from Proto-Italic gnātos, from Proto-Indo-European ǵn̥h₁tós, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

ναΐφ (Greek): naive, inexperienced; naive