Declension table of ?mahājānu

Masculine	Singular	Dual	Plural
Nominative	mahājānuḥ	mahājānū	mahājānavaḥ
Vocative	mahājāno	mahājānū	mahājānavaḥ
Accusative	mahājānum	mahājānū	mahājānūn
Instrumental	mahājānunā	mahājānubhyām	mahājānubhiḥ
Dative	mahājānave	mahājānubhyām	mahājānubhyaḥ
Ablative	mahājānoḥ	mahājānubhyām	mahājānubhyaḥ
Genitive	mahājānoḥ	mahājānvoḥ	mahājānūnām
Locative	mahājānau	mahājānvoḥ	mahājānuṣu

Compound mahājānu -

Adverb -mahājānu