Declension table of ?avitāna

Neuter	Singular	Dual	Plural
Nominative	avitānam	avitāne	avitānāni
Vocative	avitāna	avitāne	avitānāni
Accusative	avitānam	avitāne	avitānāni
Instrumental	avitānena	avitānābhyām	avitānaiḥ
Dative	avitānāya	avitānābhyām	avitānebhyaḥ
Ablative	avitānāt	avitānābhyām	avitānebhyaḥ
Genitive	avitānasya	avitānayoḥ	avitānānām
Locative	avitāne	avitānayoḥ	avitāneṣu

Compound avitāna -

Adverb -avitānam -avitānāt