Declension table of ?mahāśayana

Neuter	Singular	Dual	Plural
Nominative	mahāśayanam	mahāśayane	mahāśayanāni
Vocative	mahāśayana	mahāśayane	mahāśayanāni
Accusative	mahāśayanam	mahāśayane	mahāśayanāni
Instrumental	mahāśayanena	mahāśayanābhyām	mahāśayanaiḥ
Dative	mahāśayanāya	mahāśayanābhyām	mahāśayanebhyaḥ
Ablative	mahāśayanāt	mahāśayanābhyām	mahāśayanebhyaḥ
Genitive	mahāśayanasya	mahāśayanayoḥ	mahāśayanānām
Locative	mahāśayane	mahāśayanayoḥ	mahāśayaneṣu

Compound mahāśayana -

Adverb -mahāśayanam -mahāśayanāt