Declension table of ?vyāsatva

Neuter	Singular	Dual	Plural
Nominative	vyāsatvam	vyāsatve	vyāsatvāni
Vocative	vyāsatva	vyāsatve	vyāsatvāni
Accusative	vyāsatvam	vyāsatve	vyāsatvāni
Instrumental	vyāsatvena	vyāsatvābhyām	vyāsatvaiḥ
Dative	vyāsatvāya	vyāsatvābhyām	vyāsatvebhyaḥ
Ablative	vyāsatvāt	vyāsatvābhyām	vyāsatvebhyaḥ
Genitive	vyāsatvasya	vyāsatvayoḥ	vyāsatvānām
Locative	vyāsatve	vyāsatvayoḥ	vyāsatveṣu

Compound vyāsatva -

Adverb -vyāsatvam -vyāsatvāt