Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
‡ Dēverra, ae, f. [deverro], the goddess of sweeping, that presided over the threshold of a house where a woman lay in child-bed, to protect her against Sylvanus, acc. to Varr. ap. Aug. Civ. D. 6, 9; cf. Voss. ad Verg. Ecl. 10, 24.