purificative
/ˈpjʊərɪfɪkeɪtɪv/ /ˈpjɔːrɪfɪkeɪtɪv/adjective
= purificatory.
Origin
Late 15th century; earliest use found in William Caxton (1415x24–1492), printer, merchant, and diplomat. From Middle French, French purificatif from classical Latin pūrificāt-, past participial stem of pūrificāre + -if.