Declension table of ?sadhastha

Masculine	Singular	Dual	Plural
Nominative	sadhasthaḥ	sadhasthau	sadhasthāḥ
Vocative	sadhastha	sadhasthau	sadhasthāḥ
Accusative	sadhastham	sadhasthau	sadhasthān
Instrumental	sadhasthena	sadhasthābhyām	sadhasthaiḥ sadhasthebhiḥ
Dative	sadhasthāya	sadhasthābhyām	sadhasthebhyaḥ
Ablative	sadhasthāt	sadhasthābhyām	sadhasthebhyaḥ
Genitive	sadhasthasya	sadhasthayoḥ	sadhasthānām
Locative	sadhasthe	sadhasthayoḥ	sadhastheṣu

Compound sadhastha -

Adverb -sadhastham -sadhasthāt