繕
ゼン, つくろ.う
darning, repair, mend, trim, tidy up, adjust
JLPT1 G7 S18 F2195
善
# good +
糸
thread → *mend/patch* to restore a garment's quality (= make it good) → *fix*; *repair*; *tidy up*.
[Full Kanji Etymology List]