Declension table of pūrvavayas

Neuter	Singular	Dual	Plural
Nominative	pūrvavayaḥ	pūrvavayasī	pūrvavayāṃsi
Vocative	pūrvavayaḥ	pūrvavayasī	pūrvavayāṃsi
Accusative	pūrvavayaḥ	pūrvavayasī	pūrvavayāṃsi
Instrumental	pūrvavayasā	pūrvavayobhyām	pūrvavayobhiḥ
Dative	pūrvavayase	pūrvavayobhyām	pūrvavayobhyaḥ
Ablative	pūrvavayasaḥ	pūrvavayobhyām	pūrvavayobhyaḥ
Genitive	pūrvavayasaḥ	pūrvavayasoḥ	pūrvavayasām
Locative	pūrvavayasi	pūrvavayasoḥ	pūrvavayaḥsu

Compound pūrvavayas -

Adverb -pūrvavayas