Etymology
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catachresis (n.)

"an improper or inconsistent metaphor, exceptional or undue extension of a word's meaning" (as "to stone someone with bricks"), 1580s, from Latin catachresis, from Greek katakhresis "misuse" (of a word), from katakhresthai "to misuse," from kata "down" (here with a sense of "perversion;" see cata-) + khresthai "to use" (from PIE root *gher- (2) "to like, want"). Related: Catachrestic; catachrestical; catachrestically.

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Definitions of catachresis

catachresis (n.)
strained or paradoxical use of words either in error (as `blatant' to mean `flagrant') or deliberately (as in a mixed metaphor: `blind mouths');
From wordnet.princeton.edu