(Caprimulgidae; Ϯ Common Nighthawk C. minor) Gr. χορδη khordē  chord; δειλη deilē  evening (cf. “Apparently a badly coined name from Gr. khōreo, to travel, and deilē, in the unusual sense of “evening” ” (Macleod 1954); “Gr. choros, most likely “a circular dance” hence “a moving about”; Gr. deile, “evening” ” (Choate 1985)); "2. CAPRIMULGUS (CHORDEILES) VIRGINIANUS. (Sw.)  The Pisk.  ...  Sub-genus, Chordeiles*, Sw.  ...  Peesquaw.  CREE INDIANS.  ...  The very peculiar noise it makes is most frequently heard in the evening, and often seems to be emitted close to the listener, although the bird which produces it is at the time so high in the air as to be nearly imperceptible. The sound resembles that produced by the vibration of a tense, thick cord in a violent gust of wind.   ...   * Chorda crepusculi (Th. χορδη et δειλη): in allusion to the peculiar sound it makes.   ...   44. Sub-genus, CHORDEILES.  (Generis Caprimulgi.)  Rostrum Caprimulgi.  Rictus lævis.  Alæ caudam æquantes; remiges omnes intergerrimæ.  Cauda forficata.  Digitus externus interno brevior.  Unguis medius serratus.  Type.—Chordeiles Virginianus (Caprimulgus Americanus, WILS.)" (Swainson 1832); "Chordeiles Swainson, in Swainson and Richardson's Fauna Bor.-Am., 2, 1831 (1832), p. 496. Type, by original designation, Caprimulgus virginianus Gmelin = Caprimulgus minor J. R. Forster." (Peters 1940, IV, 185).
Var. Chordelies, Chordiles, Chordediles, ChordedilusChordeilus.
Synon. Microrhynchus, Nannochordeiles, Podager, Proithera, Ramphaoratus.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 January 2019).