Declension table of ?mahāyama

Masculine	Singular	Dual	Plural
Nominative	mahāyamaḥ	mahāyamau	mahāyamāḥ
Vocative	mahāyama	mahāyamau	mahāyamāḥ
Accusative	mahāyamam	mahāyamau	mahāyamān
Instrumental	mahāyamena	mahāyamābhyām	mahāyamaiḥ mahāyamebhiḥ
Dative	mahāyamāya	mahāyamābhyām	mahāyamebhyaḥ
Ablative	mahāyamāt	mahāyamābhyām	mahāyamebhyaḥ
Genitive	mahāyamasya	mahāyamayoḥ	mahāyamānām
Locative	mahāyame	mahāyamayoḥ	mahāyameṣu

Compound mahāyama -

Adverb -mahāyamam -mahāyamāt