Declension table of ?marumārga

Masculine	Singular	Dual	Plural
Nominative	marumārgaḥ	marumārgau	marumārgāḥ
Vocative	marumārga	marumārgau	marumārgāḥ
Accusative	marumārgam	marumārgau	marumārgān
Instrumental	marumārgeṇa	marumārgābhyām	marumārgaiḥ marumārgebhiḥ
Dative	marumārgāya	marumārgābhyām	marumārgebhyaḥ
Ablative	marumārgāt	marumārgābhyām	marumārgebhyaḥ
Genitive	marumārgasya	marumārgayoḥ	marumārgāṇām
Locative	marumārge	marumārgayoḥ	marumārgeṣu

Compound marumārga -

Adverb -marumārgam -marumārgāt