鞋套 Origin — Dong Chinese Dictionary

xiétào

overshoe

xié shoes

Phonosemantic compound. 革 represents the meaning and 圭 represents the sound.

Components

革 Meaning component

gé leather

圭 Sound component

guī jade pointed at top

Change in sound

鞋 and 圭 don't sound similar in modern Mandarin due to historical phonetic changes. They were more similar in Old Chinese.
鞋 *[g]ˤre (no pre-Qín exx.)
圭 *[k]ʷˤe

Historical Pronunciations

	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	hea	[g]ˤre (no pre-Qín exx.)	shoe

Sources

Character origin: 漢語多功能字庫
Readings & variants: Unicode
Historical pronunciations: Baxter-Sagart

tào cover

A cover has to be big (大) and long (镸) enough to wrap around what it is covering.

Components

大 Meaning component

dà, dài big

镸 Meaning component

cháng long

镸 is a component form of 長.

Historical Pronunciations

	Old Chinese
Zhengzhang	tʰaːw
	tʰaːws

Sources

Character origin: 漢語多功能字庫
Readings & variants: Unicode
Historical pronunciations: Zhengzhang Shangfang

鞋 xié shoes

Components

Historical Pronunciations

Sources

套 tào cover

Components

Historical Pronunciations

Sources

xié shoes

tào cover