Zi Collection, Page Position: Upper, Radical: Knife (dāo), Page 32, Entry 04
Pronounced duo (falling tone) - "duo guo" was used as a fanqie in Jiyun (Jiyun).
The character is explained in Shuowenjiezi (Shuowenjiezi) as meaning "to weigh."
Another interpretation is that it describes a woman's appearance, like a drooping flower, signifying beauty.