didactic (adj.)youdaoicibaDictYouDict[didactic 词源字典]
1650s, from French didactique, from Greek didaktikos "apt at teaching," from didaktos "taught," past participle of didaskein "teach," from PIE root *dens- "wisdom, to teach, learn." Related: Didactically; didacticism.[didactic etymology, didactic origin, 英语词源]