Discoloration
来自Big Physics
Safin（讨论 | 贡献）2022年4月29日 (五) 01:44的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/discoloration ref] From discolor or discolour + -ation == etymonline == [https://…”的新页面）
wiktionary
From discolor or discolour + -ation
etymonline
discoloration (n.)
1640s, "action of altering the natural or proper color of; condition of being discolored," noun of action from discolorate (early 15c.), from past-participle stem of Medieval Latin discolorare, from Latin dis- "off, away from" (see dis-) + colorare "to color," from color "color of the skin, color in general" (see color (n.)).
