Declension table of ?mahareṇu

Masculine	Singular	Dual	Plural
Nominative	mahareṇuḥ	mahareṇū	mahareṇavaḥ
Vocative	mahareṇo	mahareṇū	mahareṇavaḥ
Accusative	mahareṇum	mahareṇū	mahareṇūn
Instrumental	mahareṇunā	mahareṇubhyām	mahareṇubhiḥ
Dative	mahareṇave	mahareṇubhyām	mahareṇubhyaḥ
Ablative	mahareṇoḥ	mahareṇubhyām	mahareṇubhyaḥ
Genitive	mahareṇoḥ	mahareṇvoḥ	mahareṇūnām
Locative	mahareṇau	mahareṇvoḥ	mahareṇuṣu

Compound mahareṇu -

Adverb -mahareṇu