灸
jiǔ HSK7

cauterize with moxa

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

Components

火
火 Meaning component
huǒ fire
久
久 Sound component
jiǔ long time (ago)

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartkjuwX[k]ʷəʔcauterize by burning tinder
Zhengzhangkʷlɯʔ
kʷlɯs

說文解字

灼也。从火久聲。

Sources

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