1. to cut deep into

intransitive verb Godan verb with 'mu' ending

2. to cut one's way into (an enemy position), to rush on, to raid, to attack

Godan verb with 'mu' ending intransitive verb

3. to press someone hard (e.g. with questions), to get to the heart of (a matter)

intransitive verb Godan verb with 'mu' ending