Declension table of ?goṣṭhodumbara

Masculine	Singular	Dual	Plural
Nominative	goṣṭhodumbaraḥ	goṣṭhodumbarau	goṣṭhodumbarāḥ
Vocative	goṣṭhodumbara	goṣṭhodumbarau	goṣṭhodumbarāḥ
Accusative	goṣṭhodumbaram	goṣṭhodumbarau	goṣṭhodumbarān
Instrumental	goṣṭhodumbareṇa	goṣṭhodumbarābhyām	goṣṭhodumbaraiḥ goṣṭhodumbarebhiḥ
Dative	goṣṭhodumbarāya	goṣṭhodumbarābhyām	goṣṭhodumbarebhyaḥ
Ablative	goṣṭhodumbarāt	goṣṭhodumbarābhyām	goṣṭhodumbarebhyaḥ
Genitive	goṣṭhodumbarasya	goṣṭhodumbarayoḥ	goṣṭhodumbarāṇām
Locative	goṣṭhodumbare	goṣṭhodumbarayoḥ	goṣṭhodumbareṣu

Compound goṣṭhodumbara -

Adverb -goṣṭhodumbaram -goṣṭhodumbarāt