改 means reformation
change, modify, mend, renew
A person strikes themselves: reform.
On'yomi
- カイkai
Kun'yomi
- あらた(める)aratameru
- あらた(まる)aratamaru
How it's built
- 己self
- 攵strike
Common words
- 改良かいりょうimprovement; reform
- 改革かいかくreform; reformation
- 改正かいせいrevision; amendment
- 改築かいちくstructural alteration (of a building); reconstruction