Declension table of ?trivartman

Neuter	Singular	Dual	Plural
Nominative	trivartma	trivartmanī	trivartmāni
Vocative	trivartman trivartma	trivartmanī	trivartmāni
Accusative	trivartma	trivartmanī	trivartmāni
Instrumental	trivartmanā	trivartmabhyām	trivartmabhiḥ
Dative	trivartmane	trivartmabhyām	trivartmabhyaḥ
Ablative	trivartmanaḥ	trivartmabhyām	trivartmabhyaḥ
Genitive	trivartmanaḥ	trivartmanoḥ	trivartmanām
Locative	trivartmani	trivartmanoḥ	trivartmasu

Compound trivartma -

Adverb -trivartma -trivartmam