Where does “nili” come from?

nili (Latin) comes from Latin nilus, from Latin Nilus, from Ancient Greek Νεῖλος, from Ancient Greek νεῖλος, from Arabic نِيل, from Persian نیل, from Arabic نيل, from Middle Persian 𐭭𐭩𐭫 — to lead.

nili (Latin): nominative plural of nīlus; genitive singular of...