Declension table of ?catuḥsamudra

Masculine	Singular	Dual	Plural
Nominative	catuḥsamudraḥ	catuḥsamudrau	catuḥsamudrāḥ
Vocative	catuḥsamudra	catuḥsamudrau	catuḥsamudrāḥ
Accusative	catuḥsamudram	catuḥsamudrau	catuḥsamudrān
Instrumental	catuḥsamudreṇa	catuḥsamudrābhyām	catuḥsamudraiḥ catuḥsamudrebhiḥ
Dative	catuḥsamudrāya	catuḥsamudrābhyām	catuḥsamudrebhyaḥ
Ablative	catuḥsamudrāt	catuḥsamudrābhyām	catuḥsamudrebhyaḥ
Genitive	catuḥsamudrasya	catuḥsamudrayoḥ	catuḥsamudrāṇām
Locative	catuḥsamudre	catuḥsamudrayoḥ	catuḥsamudreṣu

Compound catuḥsamudra -

Adverb -catuḥsamudram -catuḥsamudrāt