研ぎ物 とぎもの Also written 研物 Meanings Noun sharpening (of knives, swords, etc.); grinding; honing; whetting; polishing; buffing; things to be sharpened or polished Kanji 研 research. Read as とぐ. 物 thing. Read as もの. Words containing 研ぎ物 研ぎ物師 (とぎものし) knife grinder (person) Jinuma: Japanese Dictionary · Word lists