Ἀρτόστης
From LSJ
Δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → Quercu cadente, nemo ignatu abstinet → Fiel erst die Eiche, holt ein jeder Mann sich Holz
Spanish (DGE)
-ου, ὁ Artostes hijo de Darío, Ctes.15 (cf. Ὀστάνης).
Greco-Persian Names
APers. arta (comp.), divine government, "göttliche Weltordnung", Arta (cf. Av. aša), Av. arəta, Skt. r̥ta + Av. uštā, according to one's wish, loc. of ušti, often used substantively in the sense of welfare, good fortune; whose welfare is from Arta.