grothlach

a gravel pit, abounding in gravel ( O'Br., Sh., etc.), Irish grothlach, Welsh gro, pebbles, Cornish grow, gravel, Breton grouan. From these come English gravel, Old Greek gravele. Cf. Norse grjot, stones, Anglo-Saxon greót, English grit, root grut, Lithuanian grústi, pound, bray, Greek $$Ghrusós, gold (= $$Ghrud-sós).