Schist=الشست
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ETYMOLOGY DICTIONARY:
- 1795 (earlier schistus, c.1600), from Fr. schiste, from L. schistos lapis "stone that splits easily" (Pliny), from Gk. skhistos "divided, separated," from skhizein "to split" (see shed (v.)). The rock splits easily in layers. Liddell and Scott says Greek skhistos lithos was "probably talc."
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