A.watcher, guardian, “οὖρον ἰὼν κατέλειπον ἐπὶ κτεάτεσσι” Od.15.89; “Νέστωρ . . , οὖ. Α᾿χαιῶν” Il.8.80, 11.840, 15.370, Od.3.411; οὖ. Αἰακιδᾶν, of Achilles, Pi.I.8(7).60; “νήσου” A.R.4.1643; “βουκολίων” Opp.C.1.375; cf. ἐπίουρος, οὐρεύς. (I.-E. sorwos 'guardian', found also as second element in πυλωρός (πυλαουρός), θυρωρός, φρουρός (fr. προ-ὁρ(ϝ)ος), οἰχῶρος (οἰκουρός), etc., Avest. pasu(š)-haurva- 'cattle-guarding', epith. of a dog: cogn. with ἐρύω (B), q.v.: also with ὄρομαι (ἐπί), cf. Avest. haurvaiti and haraiti 'watches'.)
οὖρος (B), ὁ,