groundling (n.)youdaoicibaDictYouDict[groundling 词源字典]
"theater patron in the pit" (which originally had no floor or benches), c. 1600, from ground (n.) in an Elizabethan sense of "pit of a theater" + -ling. From the beginning emblematic of bad or unsophisticated taste. Old English grundling was a type of fish.[groundling etymology, groundling origin, 英语词源]