sermonette (n.)youdaoicibaDictYouDict[sermonette 词源字典]
1814, diminutive from sermon + -ette. Poe used sermonoid (1849); sermuncle (1886) also has been tried. English writers have turned to the Italian double diminutive sermonettino (1818) to describe notably trifling efforts.[sermonette etymology, sermonette origin, 英语词源]