A cave or hole: a roof-radical on top and a divide-stroke below like a cave opening.
Suggests a cave, hole, acupuncture point, or a hollow space.
按笔顺练习部首、简体、繁体以及可用的异体形式。
kōng
empty; space; sky
chuāng
window
tū
sudden; to protrude; to dash
Cave/hole radical. Found in 空 (empty/space), 窗 (window), 突 (sudden/to protrude).
What radical is this: 穴?