Thursday 6 December 2012

Plaster/Gypsum/γύψος=الجبس


Plaster/Gypsum/γύψος=الجبس


ONLINE ETYMOLOGY DICTIONARY:
plaster (n.)
late O.E. plaster "medicinal application," from V.L. plastrum, shortened from L. emplastrum "a plaster" (in the medical as well as the building sense), from Gk. emplastron "salve, plaster" (used by Galen instead of more usual emplaston), noun use of neuter of emplastos "daubed on," from en- "on" + plastos "molded," from plassein "to mold" (see plasma). The building construction material is first recorded in English c.1300, via O.Fr. plastre, from the same source, and in early use the English word often had the French spelling.
 
 
 
 
gypsum (n.) Look up gypsum at Dictionary.com
substance (hydrated calcium sulphate) used in making plaster, late 14c., from L. gypsum, from Gk. gypsos "chalk," according to Klein, perhaps of Semitic origin (cf. Arabic jibs, Hebrew gephes "plaster").
 
 

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