食い込む

くいこむkuikomu

godan verb · intransitive

1. to bite into (e.g. rope into skin)
2. to cut into
3. to dig into (e.g. of fingernails)
4. to eat into
5. to encroach
6. to make inroads
7. to penetrate (e.g. a market)
8. to break into (e.g. first place)

Study it in Yanamino