16 strokes
                                                    
                        Jouyou kanji
            Taught in 9th grade
    
                                                    JLPT exam level N2
                                            grind, polish, scour, improve, brush (teeth)
Kun'yomi
- み - が - く - to polish ②to refine (a skill, etc.) 
- す - る - to rub ②to lose (e.g. a match) 
On'yomi
- マ 
Nanori
- おさむ 
Character Breakdown
grind, polish, scour
みが.く マ す.る (9th, N2)
References
| Unicode hex code | 78E8 | 
| JIS X 0208 | 1-43-65 | 
| Nelson, A. Classic Nelson | 5393 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 4045 | 
| Halpern, J. New Japanese-English Character Dictionary | 3181 | 
| Halpern, J. Kodansha Kanji Dictionary | 3946 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 2033 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 2744 | 
| Heisig, J. Remembering The Kanji | 594 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 638 | 
| Gakken A New Dictionary of Kanji Usage | 1376 | 
| O'Neill, P.G. Japanese Names | 2596 | 
| O'Neill, P.G. Essential Kanji | 1985 | 
| Morohashi Daikanwajiten | 24449P | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1831 | 
| Spahn and Hadamitzky Kanji and Kana | 1531 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1632 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 768 | 
| Kask, A. Tuttle Kanji Cards | 1840 | 
| Nishiguchi & Kono Kanji in Context | 1731 | 
| Kodansha Kodansha Compact Kanji Guide | 1410 | 
| Maniette, Y. Les Kanjis dans la tete | 601 | 
| Tuttle Dictionary Descriptor Code | 3q13.3 | 
| Four corner code | 0026.1 | 
| De Roo Code | 577 |