abluent

[ab-loo-uh nt]
noun
  1. a cleansing agent.

Origin of abluent

1745–55; < Latin abluent- (stem of abluēns, present participle of abluere to wash away), equivalent to ab- ab- + -lū- combining form of lavere to wash + -ent -ent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018