磨 grind, polish, scour, improve, brush (teeth) 16 strokes jōyō, taught in secondary school old JLPT 2 #1608 in newspapers Readings Onマ Kunみが.く、す.る In Chinese 磨 Words written with it 磨く みがく to polish N5 磨き みがき polish 歯磨き はみがき dental brushing N2 琢磨 たくま polish (jewels) 切磋琢磨 せっさたくま diligent application (to work or study) 研磨 けんま grinding 百戦錬磨 ひゃくせんれんま veteran