ἀργός
ἀργός
shining, bright, glistening, Lat. nitidus, Il.: white, Arist. (Hence come ἄργυρος, ἄργῑλος.)
πόδας ἀργοί, as epith. of hounds, swift-footed, because all swift motion causes a kind of glancing or flickering light, Hom.