Declension table of ?pātratara

Neuter	Singular	Dual	Plural
Nominative	pātrataram	pātratare	pātratarāṇi
Vocative	pātratara	pātratare	pātratarāṇi
Accusative	pātrataram	pātratare	pātratarāṇi
Instrumental	pātratareṇa	pātratarābhyām	pātrataraiḥ
Dative	pātratarāya	pātratarābhyām	pātratarebhyaḥ
Ablative	pātratarāt	pātratarābhyām	pātratarebhyaḥ
Genitive	pātratarasya	pātratarayoḥ	pātratarāṇām
Locative	pātratare	pātratarayoḥ	pātratareṣu

Compound pātratara -

Adverb -pātrataram -pātratarāt