Declension table of ?avatamasa

Neuter	Singular	Dual	Plural
Nominative	avatamasam	avatamase	avatamasāni
Vocative	avatamasa	avatamase	avatamasāni
Accusative	avatamasam	avatamase	avatamasāni
Instrumental	avatamasena	avatamasābhyām	avatamasaiḥ
Dative	avatamasāya	avatamasābhyām	avatamasebhyaḥ
Ablative	avatamasāt	avatamasābhyām	avatamasebhyaḥ
Genitive	avatamasasya	avatamasayoḥ	avatamasānām
Locative	avatamase	avatamasayoḥ	avatamaseṣu

Compound avatamasa -

Adverb -avatamasam -avatamasāt