Declension table of ?sūrmya

Neuter	Singular	Dual	Plural
Nominative	sūrmyam	sūrmye	sūrmyāṇi
Vocative	sūrmya	sūrmye	sūrmyāṇi
Accusative	sūrmyam	sūrmye	sūrmyāṇi
Instrumental	sūrmyeṇa	sūrmyābhyām	sūrmyaiḥ
Dative	sūrmyāya	sūrmyābhyām	sūrmyebhyaḥ
Ablative	sūrmyāt	sūrmyābhyām	sūrmyebhyaḥ
Genitive	sūrmyasya	sūrmyayoḥ	sūrmyāṇām
Locative	sūrmye	sūrmyayoḥ	sūrmyeṣu

Compound sūrmya -

Adverb -sūrmyam -sūrmyāt