耨 Origin — Chinese Character Wiki

nòu

hoe

Phonosemantic compound. 耒 represents the meaning and 辱 represents the sound. Originally written as 辱.

Components

耒 Meaning component

lěi handle of plow

rǔ humiliate

Depicts a hand (寸) using a farming tool (辰) to remove dirty weeds.

Change in sound

耨 and 辱 don't sound similar in modern Mandarin due to historical phonetic changes. They were more similar in Old Chinese.
耨 *nˤok-s
辱 *nok

	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	nuwH	nˤok-s	to hoe, to weed