Detergent
来自Big Physics
early 17th century (as an adjective): from Latin detergent- ‘wiping away’, from the verb detergere, from de- ‘away from’ + tergere ‘to wipe’.
wiktionary
From French détergent, from Latin dētergēns the present participle of dētergeō, from dē(“off”) + tergeō(“wipe, polish”), from Proto-Indo-European *ters-(“dry”).
etymonline
detergent (adj.)
"cleansing, purging," 1610s, from Latin detergentem (nominative detergens), present participle of detergere "to wipe away, cleanse," from de "off, away" (see de-) + tergere "to rub, polish, wipe," which is of uncertain origin. Originally a medical term.
detergent (n.)
"detergent substance," 1670s, from detergent (adj.). Originally a medical term; application to "chemical cleansing product" is by 1932.
