accustomed; get used to; become experienced; habitual practice
カン(漢)、ケン(呉)
な（れる）、な（らす）、ならわし
習慣(しゅうかん): custom; habit; manners
慣習(かんしゅう): usual (historical) custom
慣れ(なれ): practice; practise; experience
Goo
Wiktionary
Jisho
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