Stroke count: 19
Meaning: stumble
Kunyomi: たお.れる つまず.く
Onyomi: ケツ ケイ
Composition: 足 厥
Radical: 足
Meaning: foot
蹶然 （ケツゼン） with a spring, with alacrity, resolutely
困蹶 （コンケツ） being in a difficult position, being in a tight corner
転蹶 （テンケツ） stumbling, tripping, failure