Unreviewed (from Wiktionary)Beyond English
گچ
Inherited from Middle Persian [Book Pahlavi needed] (gc /gač/, “plaster, gypsum”), ultimately from Akkadian 𒅎𒌓 (IM.BABBAR /gaṣṣu/, “gypsum”). Compare Khotanese [script needed] (gatsä, “gypsum”), Arabic جَصّ (jaṣṣ, “plaster”), Classical Syriac ܓܨܐ (gaṣṣā, “plaster”) from the same source.
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