Declension table of ?savanastha

Neuter	Singular	Dual	Plural
Nominative	savanastham	savanasthe	savanasthāni
Vocative	savanastha	savanasthe	savanasthāni
Accusative	savanastham	savanasthe	savanasthāni
Instrumental	savanasthena	savanasthābhyām	savanasthaiḥ
Dative	savanasthāya	savanasthābhyām	savanasthebhyaḥ
Ablative	savanasthāt	savanasthābhyām	savanasthebhyaḥ
Genitive	savanasthasya	savanasthayoḥ	savanasthānām
Locative	savanasthe	savanasthayoḥ	savanastheṣu

Compound savanastha -

Adverb -savanastham -savanasthāt