The root meaning of s-b-k has always been associated with metal processing. E.W. Lane An Arabic–English Lexicon, 8 parts, (London 1872), IV, p. 1300, s-b-k ‘to melt’; sabīka, pl. sabāʾik ‘ingot, piece of gold or silver of an oblong form that has been melted, cleared of its dross and pour forth into a mould (misbaka) Read more about A note on Arabic ingots[…]