Glossary of names for the Tirukkural includes Muppl which literally means "the threefold path", and Kua which means "sacred couplets".
Tirukkural was originally known as 'Muppal', meaning three-sectioned book, as presented by its author himself at the king's court, since it contained three sections, viz., 'Aram', 'Porul' and 'Inbam'. 
