呼よび習ならわす

godan verb (-su), transitive verb

to become accustomed to calling; to get used to calling

Used when someone habitually calls a person or thing by a particular name or title, often after a period of adjustment. Implies a learned or acquired habit.

• 新あたらしい上じょう司しのことを、みんなすぐに「部ぶ長ちょう」と呼よび習ならわすようになった。

  Everyone quickly became accustomed to calling the new boss 'department head'.

• 彼かれは子こ供どもの頃ころから祖そ母ぼを「おばあちゃん」と呼よび習ならわしている。

  Since childhood, he has been accustomed to calling his grandmother 'Granny'.