qín
industrious
Phonosemantic compound. 力 represents the meaning and 堇 represents the sound. Simplified form of 懃.
Evolution

Bronze script
Late Western Zhou (~800 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Cao Wei (Three Kingdoms: 222-280 AD)Regular script
ModernDefinitions
Most common words with 勤
Freq. | Word | Meaning |
---|---|---|
diligent | ||
hardworking | ||
hardworking | ||
logistics | ||
to be on duty (of a security guard etc) |
Sources