Δαδοῦχος
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
Greco-Persian Names
Cf. APers. [Dātu]hya, Bh. 4, 85 (cf. Tolman, Lex. and Texts, 98). The supplement [datu-] is uncertain. The Babylonian gives za-'-tu-'-a. Bartholomae, Wb. 731, reads Dāduhya and suggests a possible connection with Ar. *d(h)uns, to pant, blow, with intensive reduplication.