Declension table of ?pāsya

Masculine	Singular	Dual	Plural
Nominative	pāsyaḥ	pāsyau	pāsyāḥ
Vocative	pāsya	pāsyau	pāsyāḥ
Accusative	pāsyam	pāsyau	pāsyān
Instrumental	pāsyena	pāsyābhyām	pāsyaiḥ pāsyebhiḥ
Dative	pāsyāya	pāsyābhyām	pāsyebhyaḥ
Ablative	pāsyāt	pāsyābhyām	pāsyebhyaḥ
Genitive	pāsyasya	pāsyayoḥ	pāsyānām
Locative	pāsye	pāsyayoḥ	pāsyeṣu

Compound pāsya -

Adverb -pāsyam -pāsyāt