Declension table of ?pūrvatana

Masculine	Singular	Dual	Plural
Nominative	pūrvatanaḥ	pūrvatanau	pūrvatanāḥ
Vocative	pūrvatana	pūrvatanau	pūrvatanāḥ
Accusative	pūrvatanam	pūrvatanau	pūrvatanān
Instrumental	pūrvatanena	pūrvatanābhyām	pūrvatanaiḥ pūrvatanebhiḥ
Dative	pūrvatanāya	pūrvatanābhyām	pūrvatanebhyaḥ
Ablative	pūrvatanāt	pūrvatanābhyām	pūrvatanebhyaḥ
Genitive	pūrvatanasya	pūrvatanayoḥ	pūrvatanānām
Locative	pūrvatane	pūrvatanayoḥ	pūrvataneṣu

Compound pūrvatana -

Adverb -pūrvatanam -pūrvatanāt