A trade term presumably acquired by Arabic when it was employed for transactions to the north of the Peninsula in farther antiquity, from Hebrew שֶׁבֶר (šeḇer) in a vocalization more conservative than the Tiberian one, or from Ammonite or Old Aramaic, or even directly Akkadian 𒆬𒉻𒁺 (KU₃.PAD.DU /šibirtu, šabartu, šebirtu, šipirtu/, “break, fragment, lump of a stone or ore etc.”), derivations of Proto-Semitic *ṯabar- (“to break in twain”), the later Aramaic parallel to which also was borrowed by Arabic as تِبْر (tibr, “pure ore of gold or silver”).