Declension table of ?sasthāvan

Neuter	Singular	Dual	Plural
Nominative	sasthāva	sasthāvnī sasthāvanī	sasthāvāni
Vocative	sasthāvan sasthāva	sasthāvnī sasthāvanī	sasthāvāni
Accusative	sasthāva	sasthāvnī sasthāvanī	sasthāvāni
Instrumental	sasthāvnā	sasthāvabhyām	sasthāvabhiḥ
Dative	sasthāvne	sasthāvabhyām	sasthāvabhyaḥ
Ablative	sasthāvnaḥ	sasthāvabhyām	sasthāvabhyaḥ
Genitive	sasthāvnaḥ	sasthāvnoḥ	sasthāvnām
Locative	sasthāvni sasthāvani	sasthāvnoḥ	sasthāvasu

Compound sasthāva -

Adverb -sasthāva -sasthāvam