绷床
bēng​chuáng

trampoline

绷 běng, bēng bind Simplified

Phonosemantic compound. 纟 represents the meaning and 朋 represents the sound. Simplified form of 繃.

Components

纟
纟 Meaning component
mì silk

纟 is a component form of 糸.

朋
朋 Sound component
péng friend

Sources

Readings & variants
Unicode

床 chuáng bed

Depicts a bed (爿) made from wood (木). Originally written as 爿 or 牀.

Components

爿
爿 SoundIconic component
pán, qiáng piece of wood

Depicts a bed.

Change in form
Due to historical stylistic changes, this component is less similar to 爿 than it was in ancient scripts.
木
木 Meaning component
mù tree

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartdzrjangk.dzraŋbed
Zhengzhangzraŋ
Unicodejrhiɑng

Sources

Character origin
季旭昇《說文新證》p.489-490漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang

繃 běng, bēng bind Traditional

Phonosemantic compound. 糹 represents the meaning and 崩 represents the sound.

Components

糹
糹 Meaning component
mì silk

糹 is a component form of 糸.

崩
崩 Sound component
bēng rupture

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartpɛngpˤrəŋto bind around
Zhengzhangprɯːŋ
prɯːŋ

說文解字

束也。从糸崩聲。《墨子》曰：“禹葬會稽，桐棺三寸，葛以繃之。”

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)