Declension table of ?sthirasattva

Neuter	Singular	Dual	Plural
Nominative	sthirasattvam	sthirasattve	sthirasattvāni
Vocative	sthirasattva	sthirasattve	sthirasattvāni
Accusative	sthirasattvam	sthirasattve	sthirasattvāni
Instrumental	sthirasattvena	sthirasattvābhyām	sthirasattvaiḥ
Dative	sthirasattvāya	sthirasattvābhyām	sthirasattvebhyaḥ
Ablative	sthirasattvāt	sthirasattvābhyām	sthirasattvebhyaḥ
Genitive	sthirasattvasya	sthirasattvayoḥ	sthirasattvānām
Locative	sthirasattve	sthirasattvayoḥ	sthirasattveṣu

Compound sthirasattva -

Adverb -sthirasattvam -sthirasattvāt