and in Elamite ones, as Da-a-(hi-)(ú-)uk-ka and Da-a-ya-u(k)-ka.

Deioces' name is derived from the Iranian Dahyu-ka, and is the junior noun of the word dahyu-, meaning "the land". The old Iranian name Deioces was not uncommon even in later times. In the Achaemenid period, the Old Persian form of Deioces has been mentioned in several Elamite inscriptions