οὐσίαν (ousian)
οὐσίαν is an Ancient Greek form of οὐσία, meaning “substance, being; property”. It is the accusative singular feminine noun.
Found 854 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 6.15.3: ὢν γὰρ ἐν ἀξιώματι ὑπὸ τῶν ἀστῶν, ταῖς ἐπιθυμίαις μείζοσιν ἢ κατὰ τὴν ὑπάρχουσαν οὐσίαν ἐχρῆτο ἔς τε τὰς ἱπποτροφίας καὶ τὰς ἄλλας δαπάνας· ὅπερ καὶ καθεῖλεν ὕστερον τὴν τῶν Ἀθηναίων πόλιν οὐχ ἥκιστα.
Diogenes Laertius, Vitae philosophorum 7.1.148: Οὐσίαν δὲ θεοῦ Ζήνων μέν φησι τὸν ὅλον κόσμον καὶ τὸν οὐρανόν, ὁμοίως δὲ καὶ Χρύσιππος ἐν τῷ πρώτῳ Περὶ θεῶν καὶ Ποσ …
All forms of οὐσία (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.