こつ (をつかむ)

こつ (をつかむ) · kotsu (wotsukamu) · JLPT N1 · noun

trick

🦴 こつ = 骨 (bone): a skill's core. をつかむ = grab the bone, get the knack

骨 means bone, the rigid frame that holds the body up. こつ names the essential framework of a technique, so grasping it means you have the knack.

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