Origin

This character combines two components to express the idea of immaturity. The left side, 禾, represents grain or crops, while the right side, 隹, is a picture of a bird. Together they suggest something small and underdeveloped, like young grain shoots or a baby bird that has not yet grown to full size. The pairing of these elements—things that are naturally small or early in their growth stage—came to mean immature or young in a general sense. Over time, the character expanded beyond literal youngness to describe anything not yet fully developed.