改
カイ, あらた.める, あらた.まる
reformation, change, modify, mend, renew, examine, inspect, search
JLPT2 G4 S7 F147
己# arise + 攵 (strike) → strike to arouse/raise, inaugurating a *reform* or amendment (compare 變) → *amend*; *renew*; *anew*; *correct* → *replace*; *improve*; *change*; *check*; *again*; *another time* → *be formal/ceremonious*.
[Full Kanji Etymology List]