lucus a non lucendo

lucus a non lucendo

An illogical or absurd etymology, explanation, or derivation. From Latin, literally meaning "a grove does not shine," from the ancient grammatical hypothesis that the Latin word for "grove" is lucus because light does not shine there, a non lucendo. The politician's explanation for how his proposal would be funded is exactly the type of lucus a non lucendo he's been known for throughout this election.
See also: non
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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