The story
- Late Latin · derived fromablūtiō“a washing away”
- Old French · derived fromablution
- Middle English · inherited fromablucioun“cleansing of impurities”
- English todayablution
From Middle English ablucioun (“cleansing of impurities”), from Old French ablution, and its source, Late Latin ablūtiō (“a washing away”), from abluō (“wash away”), from ab- (“away”) + lavō (“wash”).
First known use, by meaning
- First attested from around 1350 to 1470. Originally, the purifying of oils and other substances by emulsification with hot water; now more generally, a thorough cleansing of a precipitate or other non-dissolved substance.
- From mid 16ᵗʰ century. The act of washing or cleansing the body, or some part of it, as a religious rite.
- From mid 18ᵗʰ century. Washing oneself; bathing, cleaning oneself up.
- from 17th c. The rinsing of the priest's hand and the sacred vessel following the Communion with, depending on rite, water or a mix of it and wine, which may then be drunk by the priest.
- From early 18ᵗʰ century. The liquid used in the cleansing or ablution.
- From mid 20ᵗʰ century. The location or building where the showers and basins are located.
Etymology from Wiktionary, CC BY-SA 4.0.