Declension table of ?ṛgma

Masculine	Singular	Dual	Plural
Nominative	ṛgmaḥ	ṛgmau	ṛgmāḥ
Vocative	ṛgma	ṛgmau	ṛgmāḥ
Accusative	ṛgmam	ṛgmau	ṛgmān
Instrumental	ṛgmeṇa	ṛgmābhyām	ṛgmaiḥ ṛgmebhiḥ
Dative	ṛgmāya	ṛgmābhyām	ṛgmebhyaḥ
Ablative	ṛgmāt	ṛgmābhyām	ṛgmebhyaḥ
Genitive	ṛgmasya	ṛgmayoḥ	ṛgmāṇām
Locative	ṛgme	ṛgmayoḥ	ṛgmeṣu

Compound ṛgma -

Adverb -ṛgmam -ṛgmāt