Declension table of ?bṛhadukṣan

Masculine	Singular	Dual	Plural
Nominative	bṛhadukṣā	bṛhadukṣāṇau	bṛhadukṣāṇaḥ
Vocative	bṛhadukṣan	bṛhadukṣāṇau	bṛhadukṣāṇaḥ
Accusative	bṛhadukṣāṇam	bṛhadukṣāṇau	bṛhadukṣṇaḥ
Instrumental	bṛhadukṣṇā	bṛhadukṣabhyām	bṛhadukṣabhiḥ
Dative	bṛhadukṣṇe	bṛhadukṣabhyām	bṛhadukṣabhyaḥ
Ablative	bṛhadukṣṇaḥ	bṛhadukṣabhyām	bṛhadukṣabhyaḥ
Genitive	bṛhadukṣṇaḥ	bṛhadukṣṇoḥ	bṛhadukṣṇām
Locative	bṛhadukṣṇi bṛhadukṣaṇi	bṛhadukṣṇoḥ	bṛhadukṣasu

Compound bṛhadukṣa -

Adverb -bṛhadukṣam