付づく

suffix, godan verb (-ku)

become; get to be; come to

Suffix that attaches to nouns or adjectival stems to form a godan verb meaning 'to become (that state/condition)'. Often used in set expressions; not freely productive. Related to 付く (つく) sense 14.

See also: 付く (つく)

• 彼かれは最さい近きん、落おち着ついてきた。大人おとなづいてきたのかもしれない。

  He has become calmer lately. Maybe he's grown up a bit.