Declension table of ?dhṛṣṇuvat

Masculine	Singular	Dual	Plural
Nominative	dhṛṣṇuvan	dhṛṣṇuvantau	dhṛṣṇuvantaḥ
Vocative	dhṛṣṇuvan	dhṛṣṇuvantau	dhṛṣṇuvantaḥ
Accusative	dhṛṣṇuvantam	dhṛṣṇuvantau	dhṛṣṇuvataḥ
Instrumental	dhṛṣṇuvatā	dhṛṣṇuvadbhyām	dhṛṣṇuvadbhiḥ
Dative	dhṛṣṇuvate	dhṛṣṇuvadbhyām	dhṛṣṇuvadbhyaḥ
Ablative	dhṛṣṇuvataḥ	dhṛṣṇuvadbhyām	dhṛṣṇuvadbhyaḥ
Genitive	dhṛṣṇuvataḥ	dhṛṣṇuvatoḥ	dhṛṣṇuvatām
Locative	dhṛṣṇuvati	dhṛṣṇuvatoḥ	dhṛṣṇuvatsu

Compound dhṛṣṇuvat -

Adverb -dhṛṣṇuvantam