阀芯
fá​xīn

valve core

阀 fá powerful and influential group Simplified

Components

门
门 Meaning component
mén, men door

gate

伐
伐 Sound component
fá cut down

Sources

Readings & variants
Unicode

芯 xīn pith from rush (juncus effusus)

The heart 心 of a plant 艹; 心 also provides the pronunciation

Components

艹
艹 Meaning component
cao, cǎo grass
心
心 SoundMeaning component
xīn, xin heart

Character Evolution

Clerical form
Clerical Western Han 202 BC-9 AD
Regular Modern

Sources

Readings & variants
Unicode
Historical images
Academia Sinica

閥 fá powerful and influential group Traditional

Components

門
門 Meaning component
mén, men door

gate

伐
伐 Sound component
fá cut down

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangbad

說文解字

閥閱，自序也。从門伐聲。義當通用伐。

Sources

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