The story
Echoic of the repetitive "chiff-chaff" song of the European species, Phylloscopus collybita. * Audio: (file)
Etymology from Wiktionary, CC BY-SA 4.0.
chiffchaff
Today it means: A small, common warbler, of species Phylloscopus collybita, with yellowish-green plumage that breeds throughout northern and temperate Europe and Asia. Full definition →