Declension table of ?sadāśaya

Masculine	Singular	Dual	Plural
Nominative	sadāśayaḥ	sadāśayau	sadāśayāḥ
Vocative	sadāśaya	sadāśayau	sadāśayāḥ
Accusative	sadāśayam	sadāśayau	sadāśayān
Instrumental	sadāśayena	sadāśayābhyām	sadāśayaiḥ sadāśayebhiḥ
Dative	sadāśayāya	sadāśayābhyām	sadāśayebhyaḥ
Ablative	sadāśayāt	sadāśayābhyām	sadāśayebhyaḥ
Genitive	sadāśayasya	sadāśayayoḥ	sadāśayānām
Locative	sadāśaye	sadāśayayoḥ	sadāśayeṣu

Compound sadāśaya -

Adverb -sadāśayam -sadāśayāt