Declension table of ?pātrastha

Neuter	Singular	Dual	Plural
Nominative	pātrastham	pātrasthe	pātrasthāni
Vocative	pātrastha	pātrasthe	pātrasthāni
Accusative	pātrastham	pātrasthe	pātrasthāni
Instrumental	pātrasthena	pātrasthābhyām	pātrasthaiḥ
Dative	pātrasthāya	pātrasthābhyām	pātrasthebhyaḥ
Ablative	pātrasthāt	pātrasthābhyām	pātrasthebhyaḥ
Genitive	pātrasthasya	pātrasthayoḥ	pātrasthānām
Locative	pātrasthe	pātrasthayoḥ	pātrastheṣu

Compound pātrastha -

Adverb -pātrastham -pātrasthāt