Declension table of ?ṛgarthasāra

Masculine	Singular	Dual	Plural
Nominative	ṛgarthasāraḥ	ṛgarthasārau	ṛgarthasārāḥ
Vocative	ṛgarthasāra	ṛgarthasārau	ṛgarthasārāḥ
Accusative	ṛgarthasāram	ṛgarthasārau	ṛgarthasārān
Instrumental	ṛgarthasāreṇa	ṛgarthasārābhyām	ṛgarthasāraiḥ ṛgarthasārebhiḥ
Dative	ṛgarthasārāya	ṛgarthasārābhyām	ṛgarthasārebhyaḥ
Ablative	ṛgarthasārāt	ṛgarthasārābhyām	ṛgarthasārebhyaḥ
Genitive	ṛgarthasārasya	ṛgarthasārayoḥ	ṛgarthasārāṇām
Locative	ṛgarthasāre	ṛgarthasārayoḥ	ṛgarthasāreṣu

Compound ṛgarthasāra -

Adverb -ṛgarthasāram -ṛgarthasārāt