also: あしぐせ
noun
Refers to a person's characteristic way of walking, often with a nuance of habit or peculiarity.
彼は足癖が悪くて、すぐに靴底がすり減る。
He has a bad gait, so his shoe soles wear out quickly.
あの人の足癖は特徴的で、遠くからでもわかる。
That person's way of walking is distinctive; you can tell it's them from a distance.
noun
leg technique; tripping technique
Sumo term for techniques that use the legs to trip or unbalance the opponent.
その力士は足癖を得意としている。
That sumo wrestler is skilled at leg techniques.
歩き方 is a neutral, general term for 'way of walking', while 足癖 often implies a habitual or peculiar gait.
Compound of 足 (foot, leg) and 癖 (habit, mannerism). The sumo sense is a specialized extension of the general meaning.