Declension table of ?ṛmphivas

Neuter	Singular	Dual	Plural
Nominative	ṛmphivat	ṛmphuṣī	ṛmphivāṃsi
Vocative	ṛmphivat	ṛmphuṣī	ṛmphivāṃsi
Accusative	ṛmphivat	ṛmphuṣī	ṛmphivāṃsi
Instrumental	ṛmphuṣā	ṛmphivadbhyām	ṛmphivadbhiḥ
Dative	ṛmphuṣe	ṛmphivadbhyām	ṛmphivadbhyaḥ
Ablative	ṛmphuṣaḥ	ṛmphivadbhyām	ṛmphivadbhyaḥ
Genitive	ṛmphuṣaḥ	ṛmphuṣoḥ	ṛmphuṣām
Locative	ṛmphuṣi	ṛmphuṣoḥ	ṛmphivatsu

Compound ṛmphivat -

Adverb -ṛmphivas