挫
ザ, サ, くじ.く, くじ.ける
crush, break, sprain, discourage
JLPT0 G7 S10 F1869
As per 坐# (circular) + 手 hand/action indicator → *crush* or *break* in flattening objects into a circular shape (compare 摧) → *frustrate* (a plan); *dampen* (spirits) (← crush ambitions). Also, *sprain* (an ankle) (← result of excessive downward pressure).
[Full Kanji Etymology List]