Declension table of ?dṛḍhahanu

Masculine	Singular	Dual	Plural
Nominative	dṛḍhahanuḥ	dṛḍhahanū	dṛḍhahanavaḥ
Vocative	dṛḍhahano	dṛḍhahanū	dṛḍhahanavaḥ
Accusative	dṛḍhahanum	dṛḍhahanū	dṛḍhahanūn
Instrumental	dṛḍhahanunā	dṛḍhahanubhyām	dṛḍhahanubhiḥ
Dative	dṛḍhahanave	dṛḍhahanubhyām	dṛḍhahanubhyaḥ
Ablative	dṛḍhahanoḥ	dṛḍhahanubhyām	dṛḍhahanubhyaḥ
Genitive	dṛḍhahanoḥ	dṛḍhahanvoḥ	dṛḍhahanūnām
Locative	dṛḍhahanau	dṛḍhahanvoḥ	dṛḍhahanuṣu

Compound dṛḍhahanu -

Adverb -dṛḍhahanu