φρουρεῖν (phrourein)
φρουρεῖν is an Ancient Greek form of φρουρέω, meaning “guard, keep watch”. It is the present active infinitive.
Found 49 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.64.1: … οι ἀποτειχίσαντες ἐφρούρουν· τὸ δ’ ἐς τὴν Παλλήνην ἀτείχιστον ἦν· οὐ γὰρ ἱκανοὶ ἐνόμιζον εἶναι ἔν τε τῷ ἰσθμῷ φρουρεῖν καὶ ἐς τὴν Παλλήνην διαβάντες τειχίζειν, δεδιότες μὴ σφίσιν οἱ Ποτειδεᾶται καὶ οἱ ξύμμαχοι γενομένοις δίχα ἐπ …
All forms of φρουρέω (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.