Kindness
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 08:17的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/kindness ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] kindenes…”的新页面）
wiktionary
From Middle English kindenesse, equivalent to kind + -ness.
etymonline
kindness (n.)
c. 1300, "courtesy, noble deeds," from kind (adj.) + -ness. Meanings "kind deeds; kind feelings; quality or habit of being kind" are from late 14c. Old English kyndnes meant "nation," also "produce, an increase."
