経たつ

godan verb (-tsu), intransitive verb

pass; elapse; go by

Intransitive verb used for time passing. Often used with time expressions like 時間, 年月, 日, 年, etc. The subject is the time that passes.

• あれから十じゅう年ねんの歳さい月げつが経たった。

  Ten years have passed since then.

• 時じ間かんが