Declension table of ?pūrvayāmya

Neuter	Singular	Dual	Plural
Nominative	pūrvayāmyam	pūrvayāmye	pūrvayāmyāṇi
Vocative	pūrvayāmya	pūrvayāmye	pūrvayāmyāṇi
Accusative	pūrvayāmyam	pūrvayāmye	pūrvayāmyāṇi
Instrumental	pūrvayāmyeṇa	pūrvayāmyābhyām	pūrvayāmyaiḥ
Dative	pūrvayāmyāya	pūrvayāmyābhyām	pūrvayāmyebhyaḥ
Ablative	pūrvayāmyāt	pūrvayāmyābhyām	pūrvayāmyebhyaḥ
Genitive	pūrvayāmyasya	pūrvayāmyayoḥ	pūrvayāmyāṇām
Locative	pūrvayāmye	pūrvayāmyayoḥ	pūrvayāmyeṣu

Compound pūrvayāmya -

Adverb -pūrvayāmyam -pūrvayāmyāt