Declension table of ?prahvāya

Masculine	Singular	Dual	Plural
Nominative	prahvāyaḥ	prahvāyau	prahvāyāḥ
Vocative	prahvāya	prahvāyau	prahvāyāḥ
Accusative	prahvāyam	prahvāyau	prahvāyān
Instrumental	prahvāyeṇa	prahvāyābhyām	prahvāyaiḥ prahvāyebhiḥ
Dative	prahvāyāya	prahvāyābhyām	prahvāyebhyaḥ
Ablative	prahvāyāt	prahvāyābhyām	prahvāyebhyaḥ
Genitive	prahvāyasya	prahvāyayoḥ	prahvāyāṇām
Locative	prahvāye	prahvāyayoḥ	prahvāyeṣu

Compound prahvāya -

Adverb -prahvāyam -prahvāyāt