润滑
rùn​huá

lubricate

润 rùn moist Simplified

Phonosemantic compound. 氵 represents the meaning and 闰 represents the sound. Simplified form of 潤.

Components

氵
氵 Meaning component
shui, shuǐ water

氵 is a component form of 水.

闰
闰 Sound component
rùn extra month

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode

滑 huá, hua slip, slide

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

Components

氵
氵 Meaning component
shui, shuǐ water

氵 is a component form of 水.

骨
骨 Sound component
gǔ, gú bone
Change in sound

Character Evolution

Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarthweatNə-gˤrut slippery

說文解字

《說文》：“滑，利也。从水，骨聲。”

Sources

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

潤 rùn moist Traditional

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

Components

氵
氵 Meaning component
shui, shuǐ water

氵 is a component form of 水.

閏
閏 Sound component
extra month

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Western Jin 266-316 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangnjuns
Unicodenjuìn

說文解字

《說文》：“潤，水曰潤下。从水，閏聲。”

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)