Declension table of ?samuddhasta

Neuter	Singular	Dual	Plural
Nominative	samuddhastam	samuddhaste	samuddhastāni
Vocative	samuddhasta	samuddhaste	samuddhastāni
Accusative	samuddhastam	samuddhaste	samuddhastāni
Instrumental	samuddhastena	samuddhastābhyām	samuddhastaiḥ
Dative	samuddhastāya	samuddhastābhyām	samuddhastebhyaḥ
Ablative	samuddhastāt	samuddhastābhyām	samuddhastebhyaḥ
Genitive	samuddhastasya	samuddhastayoḥ	samuddhastānām
Locative	samuddhaste	samuddhastayoḥ	samuddhasteṣu

Compound samuddhasta -

Adverb -samuddhastam -samuddhastāt