Etymology
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inclement (adj.)
1660s, from French inclément (16c.) and directly from Latin inclementem (nominative inclemens) "harsh, unmerciful," from in- "not, opposite of, without" (see in- (1)) + clementem "mild, placid." "Limitation to weather is curious" [Weekley].
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inclemency (n.)

"state or character of being inclement," 1550s, from French inclémence and directly from Latin inclementia "rigor, harshness, roughness," from inclemens "harsh, unmerciful" (see inclement).

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