proper noun/ɔ.ʁɛs.te/
Orestheus (son of Lycaon); Orestheus (son of Deucalion)
“Il eut outre Nyctime ſon aiſné qui luy ſucceda, diuers fils qui baſtirent des villes, & s’y retirerent, comme Pallas, Oreſthée, [...].”
From Latin Orestheus, from Ancient Greek Ὀρεσθεύς (Orestheús).