Conditioner
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 10:52的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/conditioner ref] condition + -er == etymonline == [https://www.etymonline.com/word…”的新页面）
wiktionary
condition + -er
etymonline
conditioner (n.)
c. 1600, "a bargainer," agent noun from condition (v.). Meaning "an agent that brings something into good condition" is from 1888; since c. 1960 usually in reference to hair care products. Before that, it often was short for air conditioner(1938).
