Declension table of ?mahāvasu

Neuter	Singular	Dual	Plural
Nominative	mahāvasu	mahāvasunī	mahāvasūni
Vocative	mahāvasu	mahāvasunī	mahāvasūni
Accusative	mahāvasu	mahāvasunī	mahāvasūni
Instrumental	mahāvasunā	mahāvasubhyām	mahāvasubhiḥ
Dative	mahāvasune	mahāvasubhyām	mahāvasubhyaḥ
Ablative	mahāvasunaḥ	mahāvasubhyām	mahāvasubhyaḥ
Genitive	mahāvasunaḥ	mahāvasunoḥ	mahāvasūnām
Locative	mahāvasuni	mahāvasunoḥ	mahāvasuṣu

Compound mahāvasu -

Adverb -mahāvasu