Declension table of ?pūrvadeva

Masculine	Singular	Dual	Plural
Nominative	pūrvadevaḥ	pūrvadevau	pūrvadevāḥ
Vocative	pūrvadeva	pūrvadevau	pūrvadevāḥ
Accusative	pūrvadevam	pūrvadevau	pūrvadevān
Instrumental	pūrvadevena	pūrvadevābhyām	pūrvadevaiḥ pūrvadevebhiḥ
Dative	pūrvadevāya	pūrvadevābhyām	pūrvadevebhyaḥ
Ablative	pūrvadevāt	pūrvadevābhyām	pūrvadevebhyaḥ
Genitive	pūrvadevasya	pūrvadevayoḥ	pūrvadevānām
Locative	pūrvadeve	pūrvadevayoḥ	pūrvadeveṣu

Compound pūrvadeva -

Adverb -pūrvadevam -pūrvadevāt