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Ca·lyp·so 1 (kə-lĭpsō)
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n.
Greek Mythology
A sea nymph who delayed Odysseus on her island, Ogygia, for seven years.

[Latin Calypsō, from Greek Kalupsō, from kaluptein, to conceal; see kel-1 in the Appendix of Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Ca·lyp·so 2 or ca·lyp·so (kə-lĭpsō)
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n. pl. Ca·lyp·sos or ca·lyp·sos also Ca·lyp·soes or ca·lyp·soes
A type of music that originated in the West Indies, notably in Trinidad, and is characterized by improvised lyrics on topical or broadly humorous subjects.

[Probably alteration (influenced by CALYPSO1, in reference to the nymph's island home) of Caribbean English kaliso, variant of kariso, variant of kaiso, bravo (shout of approval for a Calypsonian's performance), Calypso music, from ka iso!, shout of encouragement with which West Indian slaves accompanied singers singing satirical songs about plantation owners and overseers, from Efik ka isu, go on (imperative form) (from ka, go, advance + isu, face, front, forward), and its Ibibio equivalent kaa iso.]

Ca·lyp·soni·an (kə-lĭp-sōnē-ən, kălĭp-) n.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
ca·lyp·so (kə-lĭpsō)
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n. pl. ca·lyp·sos
A terrestrial orchid (Calypso bulbosa) native to northern temperate regions, having a rose-pink flower with an inflated pouchlike lip usually marked with white, purple, and yellow. Also called fairy slipper.

[Probably Latin Calypsō, Calypso; see CALYPSO1.]
(click for a larger image)
calypso
Calypso bulbosa

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.