1. to wear down; to become worn away
E.g.: 磨滅 (abrasion)
2. to polish; to grind; to sharpen
E.g.: 研磨 (polishing)
3. to strive; to make efforts; to devote oneself
E.g.: 琢磨 (cultivation), 練磨 (training)
4. used for the transliteration of Sanskrit
E.g.: 達磨 (Daruma)
