Declension table of ?saṃvatsarasāta

Neuter	Singular	Dual	Plural
Nominative	saṃvatsarasātam	saṃvatsarasāte	saṃvatsarasātāni
Vocative	saṃvatsarasāta	saṃvatsarasāte	saṃvatsarasātāni
Accusative	saṃvatsarasātam	saṃvatsarasāte	saṃvatsarasātāni
Instrumental	saṃvatsarasātena	saṃvatsarasātābhyām	saṃvatsarasātaiḥ
Dative	saṃvatsarasātāya	saṃvatsarasātābhyām	saṃvatsarasātebhyaḥ
Ablative	saṃvatsarasātāt	saṃvatsarasātābhyām	saṃvatsarasātebhyaḥ
Genitive	saṃvatsarasātasya	saṃvatsarasātayoḥ	saṃvatsarasātānām
Locative	saṃvatsarasāte	saṃvatsarasātayoḥ	saṃvatsarasāteṣu

Compound saṃvatsarasāta -

Adverb -saṃvatsarasātam -saṃvatsarasātāt