- effusive (adj.)
[effusive 词源字典]
- "flowing profusely" (especially of words), 1660s, from Latin effus-, stem of effundere "to pour forth, spread abroad" (see effusion) + -ive. Hence, "with extravagant display of feelings" (1863). Related: Effusively.[effusive etymology, effusive origin, 英语词源]