The Kavirahasya is a versified lexicon verborum found in two recensions (274 and 299 verses).

Each stanza illustrating conjugated forms of similar verbal roots.

The text uses a range of classical metres seen in Sanskrit kāvya.

S.M.Tagore misidentifies the author of the Kavirahasya with Halāyudhabhaṭṭa (of the Śāṇḍilya gotra), a courtier of the Pāla king Lakṣmaṇasena (12th century CE).