ἐπιέναι (epienai)
ἐπιέναι is an Ancient Greek form of ἔπειμι, meaning “be upon; come upon, approach”. It is the present active infinitive.
Found 57 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.11.3: οὔκουν χρή, εἴ τῳ καὶ δοκοῦμεν πλήθει ἐπιέναι καὶ ἀσφάλεια πολλὴ εἶναι μὴ ἂν ἐλθεῖν τοὺς ἐναντίους ἡμῖν διὰ μάχης, τούτων ἕνεκα ἀμελέστερόν τι παρεσκευασμέ …
All forms of ἔπειμι (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.