What is the Latin word for mildew?

The usual Latin words for “mildew” are rōbīgō, mūcor, sinō. The right choice depends on the sense; see the distinctions below.

English → Latin

“mildew” in Latin

rōbīgōrust (on metals); mildew; rust (on plants)mūcorbread-mold, moldiness; wine-must sinōto let; to permit; to allow; to put; to lay; to set down

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

mildew

robigo (Col., blight on corn): mucor, situs (mould). To gather mildew, mucorem contrahere; situm ducere.

Quick answer

What is the Latin word for mildew?: The usual Latin words for “mildew” are rōbīgō, mūcor, sinō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.