おく
oku

Noun

1. inner part; interior; back (of a drawer, one's throat, etc.); depths (e.g. of a forest); recesses (e.g. of a cave); heart; end (of a road, garden, etc.)

Noun

2. living quarters (at the back of a house); inner room

Noun

3. recesses (of one's mind); bottom (of one's heart); behind (someone's words); mysteries (of an art)

Other forms: