(あし)がすくむ

あしがすくむ
expression
to be frozen with fear; to have one's legs go weak
1. to be frozen with fear; to have one's legs go weak
To become unable to move one's legs due to fear, anxiety, or shock. Describes the physical sensation of legs becoming stiff or weak from fright.
(たか)いところで(あし)がすくむ。
My legs freeze up at high places.
(がけ)(うえ)()つと(あし)がすくんだ。
My legs went weak when I stood at the top of the cliff.
(くら)路地(ろじ)物音(ものおと)がして、(あし)がすくんで(うご)けなくなった。
I heard a noise in the dark alley and my legs froze, unable to move.

すくむ means to cower, stiffen, or become paralyzed with fear. This expression vividly describes the physical sensation of legs becoming stiff or weak from fright.

COMMON TRIGGERS:

  • (たか)いところ: high places
  • (くら)場所(ばしょ): dark places
  • 突然(とつぜん)恐怖(きょうふ): sudden fright
  • 危険(きけん)状況(じょうきょう): dangerous situations

RELATED EXPRESSIONS:

  • ()ちすくむ: to stand frozen in place (unable to move at all)
  • ()がすくむ: to freeze up (whole body, not just legs)
  • (こし)()ける: to go weak in the knees (stronger — completely unable to stand)
  • (あし)(ふる)える: legs tremble (shaking rather than freezing)

GRAMMAR:
The subject is (あし) (legs), not the person. The person experiencing fear is marked with の or は: (わたし)(あし)がすくんだ.