noun
or apo·lu·sis äˈpȯlüˌsēs, ˌapəˈlüsə̇s
Etymology: Middle Greek apolousis, from Greek, act of washing off, from apolouein to wash off, from apo- + louein to wash — more at lye
: the ceremony in the Eastern Church of washing away the baptismal chrism performed by a priest on the eighth day after baptism