Declension table of ?apūrvīya

Neuter	Singular	Dual	Plural
Nominative	apūrvīyam	apūrvīye	apūrvīyāṇi
Vocative	apūrvīya	apūrvīye	apūrvīyāṇi
Accusative	apūrvīyam	apūrvīye	apūrvīyāṇi
Instrumental	apūrvīyeṇa	apūrvīyābhyām	apūrvīyaiḥ
Dative	apūrvīyāya	apūrvīyābhyām	apūrvīyebhyaḥ
Ablative	apūrvīyāt	apūrvīyābhyām	apūrvīyebhyaḥ
Genitive	apūrvīyasya	apūrvīyayoḥ	apūrvīyāṇām
Locative	apūrvīye	apūrvīyayoḥ	apūrvīyeṣu

Compound apūrvīya -

Adverb -apūrvīyam -apūrvīyāt