脱
ダツ, ぬ.ぐ, ぬ.げる
undress, removing, escape from, get rid of, be left out, take off
JLPT1 G7 S11 F782
As per 兌# (strip away) + 肉 flesh → strip away meat from bone → *take/strip off* → *undress*; *come off*; *omit*; *escape*.
[Full Kanji Etymology List]