開 く — JLPT N5 Vocabulary flashcard

aku

Godan verb with 'ku' ending, intransitive verb

to open (e.g. doors)

Also: to open (e.g. business, etc.), to be empty, to be vacant

その皮製の上着うわぎの両肘りょうひじ部分ぶぶんが擦り減って穴あなが空いた。

The leather jacket has worn out at the elbows.