Abbott-Smith Manual Greek Lexicon
φρουρέω (G5432)
4 φρουρέω , -ῶ ( φρουρός , a guard ), [in LXX: I Es 4:56 , Jth 3:6 , Wi 17:16 , I Mac 11:3 * ;] to guard, keep under guard, protect or keep by guarding: II Co 11:32 ; metaph., Ga 3:23 , Phl 4:7 , I Pe 1:5 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain