Declension table of ?avitṛ

Masculine	Singular	Dual	Plural
Nominative	avitā	avitārau	avitāraḥ
Vocative	avitaḥ	avitārau	avitāraḥ
Accusative	avitāram	avitārau	avitṝn
Instrumental	avitrā	avitṛbhyām	avitṛbhiḥ
Dative	avitre	avitṛbhyām	avitṛbhyaḥ
Ablative	avituḥ	avitṛbhyām	avitṛbhyaḥ
Genitive	avituḥ	avitroḥ	avitṝṇām
Locative	avitari	avitroḥ	avitṛṣu

Compound avitṛ -

Adverb -avitṛ