Declension table of ?dattra

Neuter	Singular	Dual	Plural
Nominative	dattram	dattre	dattrāṇi
Vocative	dattra	dattre	dattrāṇi
Accusative	dattram	dattre	dattrāṇi
Instrumental	dattreṇa	dattrābhyām	dattraiḥ
Dative	dattrāya	dattrābhyām	dattrebhyaḥ
Ablative	dattrāt	dattrābhyām	dattrebhyaḥ
Genitive	dattrasya	dattrayoḥ	dattrāṇām
Locative	dattre	dattrayoḥ	dattreṣu

Compound dattra -

Adverb -dattram -dattrāt