入 rù — to enter; to go into; to join; to become a member of

A way to remember it

A shape narrowing to a point, like something going in. It is worth writing beside 人 until the difference is automatic: in 入 the left stroke starts the character, in 人 the right one does.

A picture that makes the shape stick — not a claim about the character’s history.

Draft — written with AI help and not yet read by a person. What that means.