煤层
méi​céng

coal seam

煤 méi coal

Phonosemantic compound. 火 represents the meaning and 某 represents the sound.

Components

火
火 Meaning component
huǒ fire
某
某 Sound component
mǒu certain thing or person

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartmwojmˤəsoot; coal
Zhengzhangmɯː

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang

层 céng floor (of a building) Simplified

Simplified form of 層. Phonosemantic compound. 户 represents the meaning and 曾 represents the sound.

Components

户
户 Meaning component
hù, hu door
云
云 Simplified component
yún clouds

Shorthand for the 曾 component in the traditional character 層.

Sources

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

層 céng floor (of a building) Traditional

Phonosemantic compound. 户 represents the meaning and 曾 represents the sound.

Components

户
户 Meaning component
hù, hu door
曾
曾 Sound component
céng already

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartdzongN-s-tˤəŋ in two storeys, double
dzongm-s-tˤəŋ additional floor, field

說文解字

《說文》：“層，重屋也。从尸，曾聲。”

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)