Fruitless
来自Big Physics
Safin(讨论 | 贡献)2022年4月28日 (四) 01:24的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/fruitless ref] From fruit + -less. Compare [https://en.wikipedia.org/wiki/Middle_Eng…”的新页面)
wiktionary
From fruit + -less. Compare Middle English withouten fruyt(“fruitless”, literally “without fruit”).
etymonline
fruitless (adj.)
mid-14c., "unprofitable," from fruit + -less. Meaning "barren, sterile" is from 1510s. Related: Fruitlessly; fruitlessness.