Declension table of ?mahayamāna

Masculine	Singular	Dual	Plural
Nominative	mahayamānaḥ	mahayamānau	mahayamānāḥ
Vocative	mahayamāna	mahayamānau	mahayamānāḥ
Accusative	mahayamānam	mahayamānau	mahayamānān
Instrumental	mahayamānena	mahayamānābhyām	mahayamānaiḥ mahayamānebhiḥ
Dative	mahayamānāya	mahayamānābhyām	mahayamānebhyaḥ
Ablative	mahayamānāt	mahayamānābhyām	mahayamānebhyaḥ
Genitive	mahayamānasya	mahayamānayoḥ	mahayamānānām
Locative	mahayamāne	mahayamānayoḥ	mahayamāneṣu

Compound mahayamāna -

Adverb -mahayamānam -mahayamānāt