Etymology
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ambivalence (n.)

"simultaneous conflicting feelings," 1924 (by 1912 as ambivalency), from German Ambivalenz, coined 1910 by Swiss psychologist Eugen Bleuler on the model of German Equivalenz "equivalence," etc. (for which see equivalence), from Latin ambi- "both, on both sides" (see ambi-) + valentia "strength," an abstract noun from the present participle of valere "be strong" (from PIE root *wal- "to be strong"). A psychological term that by 1929 had taken on a broader literary and general sense.

updated on September 19, 2022

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