to pound (grain) in order to remove the husk; refine; polished (rice), to tread upon; to step upon a pestle (for husking grain)
䂿【午集下】【石部】 康熙筆画:13画,部外筆画:8画
《唐韻》徒合切《集韻》達合切,音沓。《說文》舂巳復擣之曰䂿。《正字通》今俗設臼,以腳踏碓舂米曰䂿。
䂿【卷九】【石部】
舂已,復擣之曰䂿。从石沓聲。徒合切
(䂿)舂巳復擣之曰䂿。䂿之言沓也。取重沓之意。廣雅。䂿、舂也。从石以石舂。沓聲。徒合切。八部。