Declension table of ?śaśevāna

Neuter	Singular	Dual	Plural
Nominative	śaśevānam	śaśevāne	śaśevānāni
Vocative	śaśevāna	śaśevāne	śaśevānāni
Accusative	śaśevānam	śaśevāne	śaśevānāni
Instrumental	śaśevānena	śaśevānābhyām	śaśevānaiḥ
Dative	śaśevānāya	śaśevānābhyām	śaśevānebhyaḥ
Ablative	śaśevānāt	śaśevānābhyām	śaśevānebhyaḥ
Genitive	śaśevānasya	śaśevānayoḥ	śaśevānānām
Locative	śaśevāne	śaśevānayoḥ	śaśevāneṣu

Compound śaśevāna -

Adverb -śaśevānam -śaśevānāt