Old English wipian "to wipe, cleanse," from Proto-Germanic *wipjan "to move back and forth" (source also of Danish vippe, Middle Dutch, Dutch vippen, Old High German wifan "to swing"), from PIE root *weip- "to turn, vacillate, tremble."
"to cleanse, clear away foul or offensive matter from," 1620s, from French déterger (16c.), from Latin detergere "to wipe away, cleanse," from de "off, away" (see de-) + tergere "to rub, polish, wipe," which is of uncertain origin. Related: Deterged; deterging.
"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.
"rub or wipe with or as with a mop," 1709 (in mop up), from mop (n.). Related: Mopped; mopping.
"to blow or wipe the nose," c. 1100, now Scottish and dialectal, from Old English snytan, related to Old Norse snyta, Middle Dutch snuten, Old High German snuzen, German schneuzen "to blow one's nose," and to snot. Nose-sniting "blowing of the nose" is attested from early 15c.