Declension table of ?dṛḍheyu

Masculine	Singular	Dual	Plural
Nominative	dṛḍheyuḥ	dṛḍheyū	dṛḍheyavaḥ
Vocative	dṛḍheyo	dṛḍheyū	dṛḍheyavaḥ
Accusative	dṛḍheyum	dṛḍheyū	dṛḍheyūn
Instrumental	dṛḍheyunā	dṛḍheyubhyām	dṛḍheyubhiḥ
Dative	dṛḍheyave	dṛḍheyubhyām	dṛḍheyubhyaḥ
Ablative	dṛḍheyoḥ	dṛḍheyubhyām	dṛḍheyubhyaḥ
Genitive	dṛḍheyoḥ	dṛḍheyvoḥ	dṛḍheyūnām
Locative	dṛḍheyau	dṛḍheyvoḥ	dṛḍheyuṣu

Compound dṛḍheyu -

Adverb -dṛḍheyu