From Middle English carole, from Old French carole, from Old Italian carola, from Medieval Latin choraula, a variant of choraulēs, from Ancient Greek χοραυλής, from χορός (possibly from Proto-Indo-European *ǵʰer- or *ǵʰoros) + αὐλός (from Proto-Indo-European *h₂ewlos). Compare chorus, terpsichorean.