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自じ己こ研けん鑽さん

Meanings

1

self-improvement; self-cultivation

Refers to the act of diligently improving one's own skills, knowledge, or character through personal effort.

彼かれは常つねに自じ己こ研けん鑽さんに励はげんでいる。
He is always striving for self-improvement.
語ご学がくの自じ己こ研けん鑽さんのために毎まい日にち勉べん強きょうしている。
I study every day for self-improvement in languages.

Kanji

自oneself
己self
研polish, study of, sharpen
鑽make fire by rubbing sticks

Related words

自じ己こ啓けい発はつ
自己啓発 often implies a broader, sometimes commercial or motivational approach to personal development, while 自己研鑽 emphasizes diligent, self-directed study and practice.
修しゅう養よう
修養 is a more traditional term for moral and mental cultivation, often with a philosophical or spiritual nuance, whereas 自己研鑽 is more neutral and modern.

Built from

自じ己こ+研けん鑽さん

Etymology

Compound of 自己 (self) and 研鑽 (diligent study or polishing). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese pattern for abstract nouns.