Where does “fi” come from?
fi (Old French) comes from Latin fi, from Latin facio, from Proto-Italic fakjō, from Proto-Italic *θakjō, from Proto-Indo-European *dʰh₁k-yé-ti, from Proto-Indo-European dʰeh₁- — to do, put, place.
fi (Old French) comes from Latin fi, from Latin facio, from Proto-Italic fakjō, from Proto-Italic *θakjō, from Proto-Indo-European *dʰh₁k-yé-ti, from Proto-Indo-European dʰeh₁- — to do, put, place.