ἁγνισμός G49
hagnismós · hag-nis-mos' · Noun Masculine
from ἁγνίζω; a cleansing (the act), i.e. (ceremonially) lustration:--purification.
1 Occurrence in the King James Bible
Acts 21:26Then Paul took the men, and the next day purifying himself with them entered into the temple, to signify the accomplishment of the days of purification, until that an offering should be offered for every one of them.