ἐνῆσαν (enesan)
ἐνῆσαν is an Ancient Greek form of ἐν-εἰμί, meaning “be in”. It is the 3rd person plural imperfect active indicative.
Found 28 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.104.2: … τε ποταμοῦ κρατοῦντες καὶ τῆς Μέμφιδος τῶν δύο μερῶν πρὸς τὸ τρίτον μέρος ὃ καλεῖται Λευκὸν τεῖχος ἐπολέμουν· ἐνῆσαν δὲ αὐτόθι Περσῶν καὶ Μήδων οἱ καταφυγόντες καὶ Αἰγυπτίων οἱ μὴ ξυναποστάντες.
Plutarch, Brutus 20.5: ἦνοὖν ἰδεῖν οὐδὲν ἔτι κόσμῳ γινόμενον· ἀλλʼ οἱ μὲν ἐβόων τοὺς ἀνδροφόνους ἀναιρεῖν, οἱ δʼ, ὥσπερ ἐπὶ Κλωδίου τοῦ δημαγωγοῦ πρότερον, ἀπὸ τῶν ἐργαστηρίων τὰ βάθρα καὶ τάς τραπέζας ἀνασπῶντες καὶ συγκομίζοντες εἰς ταὐτό παμμεγέθη πυρὰν ἔνησαν·
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.