wondrous (adj.)youdaoicibaDictYouDict[wondrous 词源字典]
c. 1500, from Middle English wonders (adj.), early 14c., originally genitive of wonder (n.), with suffix altered by influence of marvelous, etc. As an adverb from 1550s. Related: Wondrously; wondrousness.[wondrous etymology, wondrous origin, 英语词源]