Declension table of ?sarvamahat

Masculine	Singular	Dual	Plural
Nominative	sarvamahān	sarvamahāntau	sarvamahāntaḥ
Vocative	sarvamahān	sarvamahāntau	sarvamahāntaḥ
Accusative	sarvamahāntam	sarvamahāntau	sarvamahataḥ
Instrumental	sarvamahatā	sarvamahadbhyām	sarvamahadbhiḥ
Dative	sarvamahate	sarvamahadbhyām	sarvamahadbhyaḥ
Ablative	sarvamahataḥ	sarvamahadbhyām	sarvamahadbhyaḥ
Genitive	sarvamahataḥ	sarvamahatoḥ	sarvamahatām
Locative	sarvamahati	sarvamahatoḥ	sarvamahatsu

Compound mahat - sarvamahā -

Adverb -sarvamahāntam