Etymology
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bluebird (n.)

also blue-bird, North American warbler-like bird, 1680s, from blue (adj.1) in reference to the chief color of its plumage + bird (n.1). Figurative use in bluebird of happiness is from the 1909 play "l'Oiseau bleu," literally "The Blue Bird," by Belgian dramatist and poet Maurice Maeterlinck (1862-1949).

updated on October 17, 2022

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