yán
grind
Phonosemantic compound. 石 represents the meaning and 幵 represents the sound.
Evolution

Seal script
Shuowen (~100 AD)
Seal script
Western Han dynasty (202 BC-9 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Most common words with 研
Freq. | Word | Meaning |
---|---|---|
research | ||
to develop | ||
(scientific) research | ||
research institute | ||
graduate student |
Sources