Sincerity
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 15:07的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=sincerity+etymology&newwindow=1&hl=en ref] mid 16th century (also in the sense ‘not fal…”的新页面）
mid 16th century (also in the sense ‘not falsified, unadulterated’): from Latin sincerus ‘clean, pure’.
wiktionary
From Middle English sinceritie, from Old French sincerité and Medieval Latin sincēritas; both from Latin sincēritas, from sincērus + -tās. Equivalent to sincere + -ity.
etymonline
sincerity (n.)
early 15c., sincerite, "honesty, genuineness," from Old French sinceritie (early 16c., Modern French sincérité) and directly from Latin sinceritatem (nominative sinceritas) "purity, soundness, wholeness," from sincerus "whole, clean, uninjured," figuratively "sound, genuine, pure, true, candid, truthful" (see sincere).
