Declension table of ?sasthāvan

Masculine	Singular	Dual	Plural
Nominative	sasthāvā	sasthāvānau	sasthāvānaḥ
Vocative	sasthāvan	sasthāvānau	sasthāvānaḥ
Accusative	sasthāvānam	sasthāvānau	sasthāvnaḥ
Instrumental	sasthāvnā	sasthāvabhyām	sasthāvabhiḥ
Dative	sasthāvne	sasthāvabhyām	sasthāvabhyaḥ
Ablative	sasthāvnaḥ	sasthāvabhyām	sasthāvabhyaḥ
Genitive	sasthāvnaḥ	sasthāvnoḥ	sasthāvnām
Locative	sasthāvni sasthāvani	sasthāvnoḥ	sasthāvasu

Compound sasthāva -

Adverb -sasthāvam