Declension table of ?ativyasta

Neuter	Singular	Dual	Plural
Nominative	ativyastam	ativyaste	ativyastāni
Vocative	ativyasta	ativyaste	ativyastāni
Accusative	ativyastam	ativyaste	ativyastāni
Instrumental	ativyastena	ativyastābhyām	ativyastaiḥ
Dative	ativyastāya	ativyastābhyām	ativyastebhyaḥ
Ablative	ativyastāt	ativyastābhyām	ativyastebhyaḥ
Genitive	ativyastasya	ativyastayoḥ	ativyastānām
Locative	ativyaste	ativyastayoḥ	ativyasteṣu

Compound ativyasta -

Adverb -ativyastam -ativyastāt