Save Gender Masculine Usage Japanese Scripts 磨, 研, 琢(Japanese Kanji) みがく(Japanese Hiragana) ミガク(Japanese Katakana) Pronounced Pron. MYEE-GA-KOO [key·IPA] Meaning & History From verb 磨く/研く/琢く (migaku) meaning "to polish, shine; to refine, improve."