窾 窾 cuan4
to conceal; to hide

窾 窾 kuan3
crack; hollow; cavity; to excavate or hollow out; (onom.) water hitting rock; (old) variant of 款

strokes 17
radical
穴
穴
strokes after radical 12
批郤导窾 批郤導窾 pi1 xi4 dao3 kuan3
to get right to the heart of the matter (idiom)