Declension table of ?sadyastana

Masculine	Singular	Dual	Plural
Nominative	sadyastanaḥ	sadyastanau	sadyastanāḥ
Vocative	sadyastana	sadyastanau	sadyastanāḥ
Accusative	sadyastanam	sadyastanau	sadyastanān
Instrumental	sadyastanena	sadyastanābhyām	sadyastanaiḥ sadyastanebhiḥ
Dative	sadyastanāya	sadyastanābhyām	sadyastanebhyaḥ
Ablative	sadyastanāt	sadyastanābhyām	sadyastanebhyaḥ
Genitive	sadyastanasya	sadyastanayoḥ	sadyastanānām
Locative	sadyastane	sadyastanayoḥ	sadyastaneṣu

Compound sadyastana -

Adverb -sadyastanam -sadyastanāt