Ὀρέστου (Orestou)
Ὀρέστου is an Ancient Greek form of Ὀρέστης, meaning “Orestes — son of Agamemnon who avenged his father”. It is the genitive singular masculine noun.
Found 65 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 6.1.15: … άμματα τόμοι δέκα· πρῶτος ἐν ᾧ Περὶ λέξεως ἢ περὶ χαρακτήρων. Αἴας ἢ Αἴαντος λόγος. Ὀδυσσεὺς ἢ περὶ Ὀδυσσέως. Ορέστου ἀπολογία ἢ περὶ τῶν δικογράφων. Ἰσογραφὴ ἢ Λυσίας καὶ Ἰσοκράτης. Πρὸς τὸν Ἰσοκράτους Ἀμάρτυρον. Τόμος δεύτερο …
Euripides, Andromache 1109: κἀνταῦθ’ Ὀρέστου μῦθος ἰσχύων μέγα
All forms of Ὀρέστης (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.