ἀνοίγειν (anoigein)
ἀνοίγειν is an Ancient Greek form of ἀνοίγνυμι, meaning “open”. It is the present active infinitive.
Found 50 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 4.68.4: ἅμα δὲ ἕῳ ἑαλωκότων ἤδη τῶν τειχῶν καὶ τῶν ἐν τῇ πόλει Μεγαρέων θορυβουμένων οἱ πρὸς τοὺς Ἀθηναίους πράξαντες καὶ ἄλλο μετ’ αὐτῶν πλῆθος, ὃ ξυνῄδει, ἔφασαν χρῆναι ἀνοίγειν τὰς πύλας καὶ ἐπεξιέναι ἐς μάχην.
All forms of ἀνοίγνυμι (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.