One of the mysteries of the English language finally explained.
A jump starting and ending with the feet crossed, during which the dancer changes the leading foot.
Mid 19th century; earliest use found in Fanny Kemble (1809–1893), actress and author. From French changement de pied, lit. ‘change of foot (or feet)’ from changement + de + pied foot or its plural pieds.
changement de pied/ˌʃɒnʒmɒ̃ də ˈpjeɪ/
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