Declension table of ?marvya

Neuter	Singular	Dual	Plural
Nominative	marvyam	marvye	marvyāṇi
Vocative	marvya	marvye	marvyāṇi
Accusative	marvyam	marvye	marvyāṇi
Instrumental	marvyeṇa	marvyābhyām	marvyaiḥ
Dative	marvyāya	marvyābhyām	marvyebhyaḥ
Ablative	marvyāt	marvyābhyām	marvyebhyaḥ
Genitive	marvyasya	marvyayoḥ	marvyāṇām
Locative	marvye	marvyayoḥ	marvyeṣu

Compound marvya -

Adverb -marvyam -marvyāt