οὖσιν (ousin)

οὖσιν is an Ancient Greek form of εἰμί, meaning “to be, exist”. It is the present active participle dative plural masculine.

Found 336 times in the Ancient Greek texts on Socratos.

Where it is used

Thucydides, History of the Peloponnesian War 1.44.2: … έσθαι τοῖς Κορινθίοις ναυτικὸν ἔχουσαν τοσοῦτον, ξυγκρούειν δὲ ὅτι μάλιστα αὐτοὺς ἀλλήλοις, ἵνα ἀσθενεστέροις οὖσιν, ἤν τι δέῃ, Κορινθίοις τε καὶ τοῖς ἄλλοις ναυτικὸν ἔχουσιν ἐς πόλεμον καθιστῶνται.

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.