(same as U+7814 研) to rub; to grind; to powder, to go the very source; to study; to investigate; to research; to examine; to search into carefully
䂴【午集下】【石部】 康熙筆画：12画，部外筆画：7画
《字彙補》五堅切，音硏。䂴考也。
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