嗤鼻 Origin — Dong Chinese Dictionary

chī laugh at

To laugh 蚩 out loud 口; 蚩 also provides the pronunciation

kǒu, kou mouth

chī worm

	Middle Chinese	Old Chinese
Zhengzhang		tʰjɯ
Unicode	chiə

Phonosemantic compound. 自 is a pictograph of a nose and 畀 represents the sound.

自 Iconic component

zì (nose), self

Depicts a nose.

畀 Sound component

bì to give

Regular Modern

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	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	bjijH	Cə-bi[t]-s	smell (v.t.)
	bjijH	m-bi[t]-s	nose

《說文》：“鼻，引气自畀也。从自、畀。”