Etymology
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enamor (v.)

"to inflame with love, charm, captivate," c. 1300, from Old French enamorer "to fall in love with; to inspire love" (12c., Modern French enamourer), from en- "in, into" (see en- (1)) + amor "love," from amare "to love" (see Amy). Since earliest appearance in English, it has been used chiefly in the past participle (enamored) and with of or with. An equivalent formation to Provençal, Spanish, Portuguese enamorar, Italian innamorare.

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enamored (adj.)

"inflamed with love, charmed, captivated," 1630s, past-participle adjective from enamor.

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enamour (v.)
chiefly British English form of enamor, but also common in America and given preference of spelling in some American dictionaries; for spelling, see -or. Related: Enamoured.
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