ἐσομένην (esomenen)
ἐσομένην is an Ancient Greek form of εἰμί, meaning “to be, exist”. It is the future middle participle accusative singular feminine.
Found 90 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.13.1: … , πρὶν ἐσβαλεῖν ἐς τὴν Ἀττικήν, Περικλῆς ὁ Ξανθίππου στρατηγὸς ὢν Ἀθηναίων δέκατος αὐτός, ὡς ἔγνω τὴν ἐσβολὴν ἐσομένην, ὑποτοπήσας, ὅτι Ἀρχίδαμος αὐτῷ ξένος ὢν ἐτύγχανε, μὴ πολλάκις ἢ αὐτὸς ἰδίᾳ βουλόμενος χαρίζεσθαι τοὺς ἀγροὺς …
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.