οὔσας (ousas)
οὔσας is an Ancient Greek form of εἰμί, meaning “to be, exist”. It is the present active participle accusative plural feminine.
Found 261 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.92.2: ἐπιδιώκοντες δὲ οἱ Ἀθηναῖοι τάς τε ἐγγὺς οὔσας μάλιστα ναῦς ἔλαβον ἓξ καὶ τὰς ἑαυτῶν ἀφείλοντο, ἃς ἐκεῖνοι πρὸς τῇ γῇ διαφθείραντες τὸ πρῶτον ἀνεδήσαντο· ἄνδρας τε τοὺς μὲν ἀπέκτειναν, τινὰς δὲ καὶ ἐζώγρησαν.
All forms of εἰμί (conjugation 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.