Declension table of ?dhartra

Neuter	Singular	Dual	Plural
Nominative	dhartram	dhartre	dhartrāṇi
Vocative	dhartra	dhartre	dhartrāṇi
Accusative	dhartram	dhartre	dhartrāṇi
Instrumental	dhartreṇa	dhartrābhyām	dhartraiḥ
Dative	dhartrāya	dhartrābhyām	dhartrebhyaḥ
Ablative	dhartrāt	dhartrābhyām	dhartrebhyaḥ
Genitive	dhartrasya	dhartrayoḥ	dhartrāṇām
Locative	dhartre	dhartrayoḥ	dhartreṣu

Compound dhartra -

Adverb -dhartram -dhartrāt