köken: Inherited from Byzantine Greek γιός (giós) < ὑγιός (hugiós) with deletion of the unstressed vowel, from Ancient Greek υἱός (huiós, “son, child”) (see its Koine pronunciation).
köken: From Old Hungarian fioɣ or fió with the original stem fi akin to Proto-Uralic *pojka (“son, boy”) + -ú (“archaic diminutive suffix”) (also attested as -oɣ, -ó in Old Hungarian). Cognates include Northern Mansi пыг (pyg, “son, boy”), Udmurt пи (pi, “son, boy”), Komi-Zyrian пи (pi, “son, boy”), Erzya пиё (pijo, “grandson”) and Finnish poika. See also faj. False cognate of Romanian fiu.
köken: Etymology tree Proto-Indo-European *dʰeh₁(y)- Proto-Indo-European *-yós Proto-Indo-European *dʰh₁ilyós Proto-Italic *θīlios Proto-Italic *fīlios Latin fīlius Catalan fill Inherited from Latin fīlius.