Dova
Dhova (adjective/noun) [Sanskrit dhāva, see dhovati] washing, cleansing Bu II 15. {311}
dhova ( m. , or nt. ; to dhovati ; = Pali id. , subst. , kilesamala-dhove vijjante Bu.v. ii.15 ), (the) washing, cleansing : danta-dhovaṃ ca sevanti Mv i.168.16 ( vs ).