Declension table of ?śaśivāsara

Masculine	Singular	Dual	Plural
Nominative	śaśivāsaraḥ	śaśivāsarau	śaśivāsarāḥ
Vocative	śaśivāsara	śaśivāsarau	śaśivāsarāḥ
Accusative	śaśivāsaram	śaśivāsarau	śaśivāsarān
Instrumental	śaśivāsareṇa	śaśivāsarābhyām	śaśivāsaraiḥ śaśivāsarebhiḥ
Dative	śaśivāsarāya	śaśivāsarābhyām	śaśivāsarebhyaḥ
Ablative	śaśivāsarāt	śaśivāsarābhyām	śaśivāsarebhyaḥ
Genitive	śaśivāsarasya	śaśivāsarayoḥ	śaśivāsarāṇām
Locative	śaśivāsare	śaśivāsarayoḥ	śaśivāsareṣu

Compound śaśivāsara -

Adverb -śaśivāsaram -śaśivāsarāt