Declension table of ?pūrvayāmya

Masculine	Singular	Dual	Plural
Nominative	pūrvayāmyaḥ	pūrvayāmyau	pūrvayāmyāḥ
Vocative	pūrvayāmya	pūrvayāmyau	pūrvayāmyāḥ
Accusative	pūrvayāmyam	pūrvayāmyau	pūrvayāmyān
Instrumental	pūrvayāmyeṇa	pūrvayāmyābhyām	pūrvayāmyaiḥ pūrvayāmyebhiḥ
Dative	pūrvayāmyāya	pūrvayāmyābhyām	pūrvayāmyebhyaḥ
Ablative	pūrvayāmyāt	pūrvayāmyābhyām	pūrvayāmyebhyaḥ
Genitive	pūrvayāmyasya	pūrvayāmyayoḥ	pūrvayāmyāṇām
Locative	pūrvayāmye	pūrvayāmyayoḥ	pūrvayāmyeṣu

Compound pūrvayāmya -

Adverb -pūrvayāmyam -pūrvayāmyāt