Declension table of ?purvya

Neuter	Singular	Dual	Plural
Nominative	purvyam	purvye	purvyāṇi
Vocative	purvya	purvye	purvyāṇi
Accusative	purvyam	purvye	purvyāṇi
Instrumental	purvyeṇa	purvyābhyām	purvyaiḥ
Dative	purvyāya	purvyābhyām	purvyebhyaḥ
Ablative	purvyāt	purvyābhyām	purvyebhyaḥ
Genitive	purvyasya	purvyayoḥ	purvyāṇām
Locative	purvye	purvyayoḥ	purvyeṣu

Compound purvya -

Adverb -purvyam -purvyāt