Declension table of ?sampūrva

Masculine	Singular	Dual	Plural
Nominative	sampūrvaḥ	sampūrvau	sampūrvāḥ
Vocative	sampūrva	sampūrvau	sampūrvāḥ
Accusative	sampūrvam	sampūrvau	sampūrvān
Instrumental	sampūrveṇa	sampūrvābhyām	sampūrvaiḥ sampūrvebhiḥ
Dative	sampūrvāya	sampūrvābhyām	sampūrvebhyaḥ
Ablative	sampūrvāt	sampūrvābhyām	sampūrvebhyaḥ
Genitive	sampūrvasya	sampūrvayoḥ	sampūrvāṇām
Locative	sampūrve	sampūrvayoḥ	sampūrveṣu

Compound sampūrva -

Adverb -sampūrvam -sampūrvāt