This kanji has two parts: the top radical represents a bone joint, and the bottom radical means “muscle” or “body.” Together, it originally meant a physical “bone.” Over time, its meaning expanded to describe the ability to move your body effectively, just as you imagine.
Words & Phrases
- 骨子（kosshi）:The central points, main framework, or backbone that forms the foundation of an idea or plan.
- 骨肉（kotsuniku）:A person who is related to someone by birth or blood ties, such as parents, children, or siblings.