the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > remove impurities from [verb (transitive)] > again (4)
transitive. To purge or cleanse again. Also occasionally reflexive.
transitive. To purify again.
transitive. To purify again. Also occasionally intransitive.
transitive. To sublime (a substance) for a second or further time.