研
yányàn HSK4

grind

Phonosemantic compound. 石 represents the meaning and 幵 represents the sound.

Components

石
石 Meaning component
shí stone
幵
幵 Sound component
qiān, jiān hairpin

Character Evolution

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

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartngen[ŋ]ˤe[r] grind; examine

說文解字

《說文》：“研，也。从石，幵聲。”

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)