Declension table of ?prottāna

Masculine	Singular	Dual	Plural
Nominative	prottānaḥ	prottānau	prottānāḥ
Vocative	prottāna	prottānau	prottānāḥ
Accusative	prottānam	prottānau	prottānān
Instrumental	prottānena	prottānābhyām	prottānaiḥ prottānebhiḥ
Dative	prottānāya	prottānābhyām	prottānebhyaḥ
Ablative	prottānāt	prottānābhyām	prottānebhyaḥ
Genitive	prottānasya	prottānayoḥ	prottānānām
Locative	prottāne	prottānayoḥ	prottāneṣu

Compound prottāna -

Adverb -prottānam -prottānāt