What is the Latin word for purgation, purification?

The usual Latin words for “purgation, purification” are pūrgātiō, pūrificātiō, lūstrātiō. The right choice depends on the sense; see the distinctions below.

English → Latin

“purgation, purification” in Latin

pūrgātiōpurification, cleansing, purging pūrificātiōpurification lūstrātiōlustration (purification by sacrifice)

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

purgation, purification

purgatio; purificatio (Plin., Mart., in a religious sense): lustratio (by sacrifice).

Quick answer

What is the Latin word for purgation, purification?: The usual Latin words for “purgation, purification” are pūrgātiō, pūrificātiō, lūstrātiō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.