About
The character "莠" is a phono-semantic compound composed of the grass radical "艹" signifying its relation to plants and the component "秀" which primarily serves as a phonetic indicator. Its etymology traces back to specifically denoting barnyard grass, a weed that visually mimics cultivated grains like millet, thus inherently carrying a sense of falseness or poor quality. This literal meaning gradually extended into a metaphorical usage, where "莠" came to represent anything bad or undesirable within a collective, as exemplified in classical idioms such as "良莠不齐" describing a mix of good and bad. The character's form has stayed consistent, and its semantic evolution from a specific botanical term to a broader pejorative label is evident in textual usage over time.
Etymology Hide
