Declension table of ?sahastha

Neuter	Singular	Dual	Plural
Nominative	sahastham	sahasthe	sahasthāni
Vocative	sahastha	sahasthe	sahasthāni
Accusative	sahastham	sahasthe	sahasthāni
Instrumental	sahasthena	sahasthābhyām	sahasthaiḥ
Dative	sahasthāya	sahasthābhyām	sahasthebhyaḥ
Ablative	sahasthāt	sahasthābhyām	sahasthebhyaḥ
Genitive	sahasthasya	sahasthayoḥ	sahasthānām
Locative	sahasthe	sahasthayoḥ	sahastheṣu

Compound sahastha -

Adverb -sahastham -sahasthāt