Claim: Glossary of names for the Tirukkural includes Muppāl which literally means "the threefold path" and was named by the least known author of Tirukkuṟaḷ, and Kuṛaḷ which means "the couplets".
Evidence: முப்பால் (Muppāl) He is best known as the author of Tirukkuṟaḷ, a collection of couplets on ethics, political and economical matters, and love. Valluvar (the author)