Declension table of ?viratha

Neuter	Singular	Dual	Plural
Nominative	viratham	virathe	virathāni
Vocative	viratha	virathe	virathāni
Accusative	viratham	virathe	virathāni
Instrumental	virathena	virathābhyām	virathaiḥ
Dative	virathāya	virathābhyām	virathebhyaḥ
Ablative	virathāt	virathābhyām	virathebhyaḥ
Genitive	virathasya	virathayoḥ	virathānām
Locative	virathe	virathayoḥ	viratheṣu

Compound viratha -

Adverb -viratham -virathāt