Declension table of ?udarastha

Masculine	Singular	Dual	Plural
Nominative	udarasthaḥ	udarasthau	udarasthāḥ
Vocative	udarastha	udarasthau	udarasthāḥ
Accusative	udarastham	udarasthau	udarasthān
Instrumental	udarasthena	udarasthābhyām	udarasthaiḥ udarasthebhiḥ
Dative	udarasthāya	udarasthābhyām	udarasthebhyaḥ
Ablative	udarasthāt	udarasthābhyām	udarasthebhyaḥ
Genitive	udarasthasya	udarasthayoḥ	udarasthānām
Locative	udarasthe	udarasthayoḥ	udarastheṣu

Compound udarastha -

Adverb -udarastham -udarasthāt