Bourdon (m)
(with) definite article: leorgan-point; Generic term for all pipes producing a fixed and continuous tone
From Latin "burdones" [pilgrim’s staff, the epithet for the staff-like bass organ pipes producing an organ-point during quick melodic passages]; Term also used for the sound it produces; NB¹: ➺ homonyms, &c.; NB²: ➺ Accord.
Sachs, Curt: Real-Lexikon der Musikinstrumente: zugleich ein Polyglossar für das gesamte Instrumentengebiet [Berlin, 1913]. Hildesheim, 1964 [facsimile], p.56b (Bordun).
Širola, Božidar: Sviraljke s udarnim jezičkom [Aerophones with a beating tongue]. Zagreb, 1937, p.372.
Mahillon, Victor-Charles: Catalogue descriptif et analytique du Musée instrumental du Conservatoire royal de Musique, I-V. Gand, 1893-1912, p.44 (Bourdons [sic]).
Marcuse, Sibyl: Musical instruments: a comprehensive dictionary. New York, 1975, p.62 [➺ p.63!].