Declension table of ?upaśayastha

Masculine	Singular	Dual	Plural
Nominative	upaśayasthaḥ	upaśayasthau	upaśayasthāḥ
Vocative	upaśayastha	upaśayasthau	upaśayasthāḥ
Accusative	upaśayastham	upaśayasthau	upaśayasthān
Instrumental	upaśayasthena	upaśayasthābhyām	upaśayasthaiḥ upaśayasthebhiḥ
Dative	upaśayasthāya	upaśayasthābhyām	upaśayasthebhyaḥ
Ablative	upaśayasthāt	upaśayasthābhyām	upaśayasthebhyaḥ
Genitive	upaśayasthasya	upaśayasthayoḥ	upaśayasthānām
Locative	upaśayasthe	upaśayasthayoḥ	upaśayastheṣu

Compound upaśayastha -

Adverb -upaśayastham -upaśayasthāt