Declension table of ?ṛgma

Neuter	Singular	Dual	Plural
Nominative	ṛgmam	ṛgme	ṛgmāṇi
Vocative	ṛgma	ṛgme	ṛgmāṇi
Accusative	ṛgmam	ṛgme	ṛgmāṇi
Instrumental	ṛgmeṇa	ṛgmābhyām	ṛgmaiḥ
Dative	ṛgmāya	ṛgmābhyām	ṛgmebhyaḥ
Ablative	ṛgmāt	ṛgmābhyām	ṛgmebhyaḥ
Genitive	ṛgmasya	ṛgmayoḥ	ṛgmāṇām
Locative	ṛgme	ṛgmayoḥ	ṛgmeṣu

Compound ṛgma -

Adverb -ṛgmam -ṛgmāt