Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Rōbīgus (Rūbīg-), i, m., or Rōbī-go, ĭnis, f. [robigo, I. B. 1.], a god of the Romans, who averted mildew, Varr. L. L. 6, § 16 Müll.; id. R. R. 1, 1, 6; Fest. p. 267 Müll.; Serv. Verg. G. 1, 151; Gell. 5, 12, 14; cf. Robigalia.
Acc. to Ov. F. 4, 907; Tert. Spect. 15 fin., and Lact. 1, 20, 17, this was a female deity, and was called Robigo.