willowy (adj.)youdaoicibaDictYouDict[willowy 词源字典]
"flexible and graceful," 1791, from willow + -y (2). Earlier "bordered or shaded by willows" (1751). Willowish is older (1650s) but only in reference to the color of willow leaves. Related: Willowiness.[willowy etymology, willowy origin, 英语词源]