Declension table of ?saśastra

Masculine	Singular	Dual	Plural
Nominative	saśastraḥ	saśastrau	saśastrāḥ
Vocative	saśastra	saśastrau	saśastrāḥ
Accusative	saśastram	saśastrau	saśastrān
Instrumental	saśastreṇa	saśastrābhyām	saśastraiḥ saśastrebhiḥ
Dative	saśastrāya	saśastrābhyām	saśastrebhyaḥ
Ablative	saśastrāt	saśastrābhyām	saśastrebhyaḥ
Genitive	saśastrasya	saśastrayoḥ	saśastrāṇām
Locative	saśastre	saśastrayoḥ	saśastreṣu

Compound saśastra -

Adverb -saśastram -saśastrāt