Latinism
    n 1: a word or phrase borrowed from Latin

Latinism \Lat"in*ism\, n. [Cf. F. latinisme.]
   A Latin idiom; a mode of speech peculiar to Latin; also, a
   mode of speech in another language, as English, formed on a
   Latin model.
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   Note: The term is also sometimes used by Biblical scholars to
         designate a Latin word in Greek letters, or the Latin
         sense of a Greek word in the Greek Testament.
         [1913 Webster]