Declension table of dṛbdha

Masculine	Singular	Dual	Plural
Nominative	dṛbdhaḥ	dṛbdhau	dṛbdhāḥ
Vocative	dṛbdha	dṛbdhau	dṛbdhāḥ
Accusative	dṛbdham	dṛbdhau	dṛbdhān
Instrumental	dṛbdhena	dṛbdhābhyām	dṛbdhaiḥ dṛbdhebhiḥ
Dative	dṛbdhāya	dṛbdhābhyām	dṛbdhebhyaḥ
Ablative	dṛbdhāt	dṛbdhābhyām	dṛbdhebhyaḥ
Genitive	dṛbdhasya	dṛbdhayoḥ	dṛbdhānām
Locative	dṛbdhe	dṛbdhayoḥ	dṛbdheṣu

Compound dṛbdha -

Adverb -dṛbdham -dṛbdhāt