surname Guan
Pictograph of a person (元) wearing a hat (冃). 元 also represents the sound. The 寸 (hand) component was added later to possibly indicate the hat is being held and put onto the head.
《說文》：“冠，絭也。所以絭髮，弁冕之總名也。从冖，从元，元亦聲。冠有法制，从寸。”