Belle

Chamber's Etymological of the English Language · 1895 · p. 50
bel, n., a fine or handsome young lady: a beauty. [Fr., fem. of Beau.] Belles lettree, hel-let'r, n. the department of literature, such as poetry and romance, of which the chief aim is to please by its beauty. [Fr belle, fine, lettres learning lett/e, L litem, a letter.] [puts up bells.
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