Declension table of ?arkanetra

Neuter	Singular	Dual	Plural
Nominative	arkanetram	arkanetre	arkanetrāṇi
Vocative	arkanetra	arkanetre	arkanetrāṇi
Accusative	arkanetram	arkanetre	arkanetrāṇi
Instrumental	arkanetreṇa	arkanetrābhyām	arkanetraiḥ
Dative	arkanetrāya	arkanetrābhyām	arkanetrebhyaḥ
Ablative	arkanetrāt	arkanetrābhyām	arkanetrebhyaḥ
Genitive	arkanetrasya	arkanetrayoḥ	arkanetrāṇām
Locative	arkanetre	arkanetrayoḥ	arkanetreṣu

Compound arkanetra -

Adverb -arkanetram -arkanetrāt