in-sordesco

dŭi, 3
I. v. inch. n., to become dirty or foul (post-class.), Sid. Ep. 5, 13.—
II. Esp., to become gloomy, to darken, Sid. Ep. 2, 2; Rutil. Itin. 1, 617.
Lewis & Short
A Latin Dictionary, 1879
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