Declension table of kośastha

Masculine	Singular	Dual	Plural
Nominative	kośasthaḥ	kośasthau	kośasthāḥ
Vocative	kośastha	kośasthau	kośasthāḥ
Accusative	kośastham	kośasthau	kośasthān
Instrumental	kośasthena	kośasthābhyām	kośasthaiḥ kośasthebhiḥ
Dative	kośasthāya	kośasthābhyām	kośasthebhyaḥ
Ablative	kośasthāt	kośasthābhyām	kośasthebhyaḥ
Genitive	kośasthasya	kośasthayoḥ	kośasthānām
Locative	kośasthe	kośasthayoḥ	kośastheṣu

Compound kośastha -

Adverb -kośastham -kośasthāt