Declension table of ?śaśivas

Neuter	Singular	Dual	Plural
Nominative	śaśivat	śaśuṣī	śaśivāṃsi
Vocative	śaśivat	śaśuṣī	śaśivāṃsi
Accusative	śaśivat	śaśuṣī	śaśivāṃsi
Instrumental	śaśuṣā	śaśivadbhyām	śaśivadbhiḥ
Dative	śaśuṣe	śaśivadbhyām	śaśivadbhyaḥ
Ablative	śaśuṣaḥ	śaśivadbhyām	śaśivadbhyaḥ
Genitive	śaśuṣaḥ	śaśuṣoḥ	śaśuṣām
Locative	śaśuṣi	śaśuṣoḥ	śaśivatsu

Compound śaśivat -

Adverb -śaśivas