Declension table of ?mahāhetu

Masculine	Singular	Dual	Plural
Nominative	mahāhetuḥ	mahāhetū	mahāhetavaḥ
Vocative	mahāheto	mahāhetū	mahāhetavaḥ
Accusative	mahāhetum	mahāhetū	mahāhetūn
Instrumental	mahāhetunā	mahāhetubhyām	mahāhetubhiḥ
Dative	mahāhetave	mahāhetubhyām	mahāhetubhyaḥ
Ablative	mahāhetoḥ	mahāhetubhyām	mahāhetubhyaḥ
Genitive	mahāhetoḥ	mahāhetvoḥ	mahāhetūnām
Locative	mahāhetau	mahāhetvoḥ	mahāhetuṣu

Compound mahāhetu -

Adverb -mahāhetu