Declension table of ?jahvarvas

Masculine	Singular	Dual	Plural
Nominative	jahvarvān	jahvarvāṃsau	jahvarvāṃsaḥ
Vocative	jahvarvan	jahvarvāṃsau	jahvarvāṃsaḥ
Accusative	jahvarvāṃsam	jahvarvāṃsau	jahvaruṣaḥ
Instrumental	jahvaruṣā	jahvarvadbhyām	jahvarvadbhiḥ
Dative	jahvaruṣe	jahvarvadbhyām	jahvarvadbhyaḥ
Ablative	jahvaruṣaḥ	jahvarvadbhyām	jahvarvadbhyaḥ
Genitive	jahvaruṣaḥ	jahvaruṣoḥ	jahvaruṣām
Locative	jahvaruṣi	jahvaruṣoḥ	jahvarvatsu

Compound jahvarvat -

Adverb -jahvarvas