-ku Godan/u-verb

1. to pierce; to go through; to bore into; to dig through
2. to remove (partitions between rooms); to knock (e.g. two rooms) into one
3. to carry out (to completion)

-ku Godan/u-verb

1. to go through (e.g. a wall); to penetrate; to pierce; to perforate; to bore into
2. to punch (a hole, pattern, etc.); to stamp out (e.g. a coin)
3. to remove (partitions between rooms); to join (multiple rooms) into one
4. to carry out (to completion)