/ ˈməʊheə(r); NAmE ˈmoʊher/ noun
[ U ] soft wool or cloth made from the fine hair of the angora goat , used for making clothes :
a mohair sweater
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WORD ORIGIN
late 16th cent.: from Arabic muḵayyar cloth made of goat's hair (literally choice, select). The change in ending was due to association with hair .