φαλός
φᾰλός, ή, όν,
A). white, (Cf. Skt. bhālam 'brightness, forehead', Welsh bal 'having a white spot on the forehead', etc.)
II). stammering, deaf, stupid, Id. (Cf. φαλίπτει and perh. Old Slav. z[ucaron]l[ucaron] 'wicked', Skt. hva/rate 'to be crooked', etc.)