Declension table of ?jahasvas

Neuter	Singular	Dual	Plural
Nominative	jahasvat	jahasuṣī	jahasvāṃsi
Vocative	jahasvat	jahasuṣī	jahasvāṃsi
Accusative	jahasvat	jahasuṣī	jahasvāṃsi
Instrumental	jahasuṣā	jahasvadbhyām	jahasvadbhiḥ
Dative	jahasuṣe	jahasvadbhyām	jahasvadbhyaḥ
Ablative	jahasuṣaḥ	jahasvadbhyām	jahasvadbhyaḥ
Genitive	jahasuṣaḥ	jahasuṣoḥ	jahasuṣām
Locative	jahasuṣi	jahasuṣoḥ	jahasvatsu

Compound jahasvat -

Adverb -jahasvat