entreatment

mid-14c., "to enter into negotiations;" early 15c., "to treat (someone) in a certain way," also "to plead for (someone)," from Anglo-French entretier, Old French entraiter "to treat," from en- "make" (see en- (1)) + traiter "to treat" (see treat (v.)). Meaning "to beseech, implore" is first attested c.1500. Related: Entreated; entreating.