Δηϊόκης
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Spanish (DGE)
-ου, ὁ Deíoces rey de los medos entre 708-656 a.C., Hdt.1.96, D.S.8.16, Plu.2.858e, Polyaen.7.1.
Russian (Dvoretsky)
Δηϊόκης: ου, ион. εω ὁ Деиок (сын Фраорта, первый царь Мидии с 709 г. по 656 г. до н. э.) Her., Plut.
Greco-Persian Names
Perhaps hypc. form of APers. *da-hyāupati, governor of a province, Av. daiṅhupaiti with suffix (a)ka (cf. Justi, NB. 76).
