癖
ヘキ, くせ, くせ.に
mannerism, habit, vice, trait, fault, kink
JLPT1 G7 S18 F1973
As per 辟# (spread) + 疒 illness → a (bodily) swelling → *peculiarity* (← peculiar condition) → *(bad) habit*; *tendency* → *curl/kink* (in the hair).
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