Declension table of ?mahāśva

Masculine	Singular	Dual	Plural
Nominative	mahāśvaḥ	mahāśvau	mahāśvāḥ
Vocative	mahāśva	mahāśvau	mahāśvāḥ
Accusative	mahāśvam	mahāśvau	mahāśvān
Instrumental	mahāśvena	mahāśvābhyām	mahāśvaiḥ mahāśvebhiḥ
Dative	mahāśvāya	mahāśvābhyām	mahāśvebhyaḥ
Ablative	mahāśvāt	mahāśvābhyām	mahāśvebhyaḥ
Genitive	mahāśvasya	mahāśvayoḥ	mahāśvānām
Locative	mahāśve	mahāśvayoḥ	mahāśveṣu

Compound mahāśva -

Adverb -mahāśvam -mahāśvāt