φρουρεῖν
From LSJ
πᾶσα σοφία παρὰ Κυρίου καὶ μετ᾿ αὐτοῦ ἐστιν εἰς τὸν αἰῶνα → all wisdom comes from the Lord, she is with him for ever
Greek > English (Woodhouse Verbs Reversed)
(see also φρουρέω): guard, protect, watch, be on the look out, keep watch
Lexicon Thucydideum
praesidio esse, to protect, 1.64.1, 1.64.11.103.4. 2.80.4, 2.83.1. 3.17.3, 3.90.2. 4.1.4, 4.24.1. 4.66.4. 4.113.2. 5.33.1. 5.33.2. 5.35.6, 5.39.1. 5.64.3, 7.4.3. 7.24.1. 7.60.2. 8.35.3. 8.74.2.