verdant (adj.)youdaoicibaDictYouDict[verdant 词源字典]
1580s, "green in color; green with vegetation," from Middle French virdeant "becoming green," present participle of Old French verdeiier "become green," from Vulgar Latin *viridiare "grow green, make green," from Latin viridis "green" (see verdure). Related: Verdantly; verdancy.[verdant etymology, verdant origin, 英语词源]