洞窟 Origin — Dong Chinese Dictionary

dòngkū

cave

dòng cave

Phonosemantic compound. 氵 represents the meaning and 同 represents the sound.

Components

氵 Meaning component

shui, shuǐ water

氵 is a component form of 水.

同 Sound component

tóng, tong, tòng together

Character Evolution

Seal form — Seal Shuowen ~100 AD

Clerical form — Clerical Eastern Han 25-220 AD

Clerical form — Clerical Eastern Han 25-220 AD

Regular Modern

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Historical Pronunciations

	Middle Chinese	Old Chinese
Zhengzhang		doːŋ
		doːŋs
Unicode	dhùng
	dhung

說文解字

《說文》：“洞，疾流也。从水，同聲。”

Sources

Character origin: 漢語多功能字庫
Readings & variants: Unicode
Historical pronunciations: Zhengzhang Shangfang
Historical images: Academia Sinica
Etymology: Shuowen Jiezi (說文解字)

kū hole

Phonosemantic compound. 穴 represents the meaning and 屈 represents the sound.

Components

穴 Meaning component

xué, jué cave

屈 Sound component

qū, qu bend

Historical Pronunciations

	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	khwot	[kʰ]ˤut	cave, hole
Zhengzhang		kʰluːd
Unicode	kuət

Sources

Readings & variants: Unicode
Historical pronunciations: Baxter-Sagart Zhengzhang Shangfang