From Proto-Anatolian *diu̯-, from Proto-Indo-European *deywós (“god”). Cognates include Lycian 𐊈𐊆𐊇 (ziw), Lydian 𐤣𐤦𐤥𐤦 (diwi), Palaic 𒋾𒅀𒊍 (ti-ia-az).
𒋾𒉿𒊍 (transliteration needed /tiwaz/)
the Luwian deity Tiwaz on Wikipedia.Wikipedia