Declension table of ?patta

Masculine	Singular	Dual	Plural
Nominative	pattaḥ	pattau	pattāḥ
Vocative	patta	pattau	pattāḥ
Accusative	pattam	pattau	pattān
Instrumental	pattena	pattābhyām	pattaiḥ pattebhiḥ
Dative	pattāya	pattābhyām	pattebhyaḥ
Ablative	pattāt	pattābhyām	pattebhyaḥ
Genitive	pattasya	pattayoḥ	pattānām
Locative	patte	pattayoḥ	patteṣu

Compound patta -

Adverb -pattam -pattāt