cowbird (English)

Where does "cowbird" come from?

The name cowbird is a compound of the English words cow and bird, describing the avian species' distinct habit of following cattle herds. The root cow traces back through Old English to the Proto-Indo-European term *gʷṓws, while bird evolved from an Old English word originally used to describe young chicks or fledglings.

Full etymology tree

cowbird (English), 'Any bird of the genus Molothrus. The cowbirds are brood parasites.'
- compound cow (English), 'A fish that is very large for its species, such as a large striped bass or large bluefin tuna.'
  - inherited cow (Middle English), 'A cow (female bovine)'
    - inherited cū (Old English), 'cow'
      - inherited *kō (Proto-West Germanic), 'cow'
        inherited *kōz (Proto-Germanic), 'cow'
        inherited *gʷṓws (Proto-Indo-European), 'cattle'
- compound bird (English), 'An animal of the clade (traditionally class) Aves in the phylum Chordata, characterized by being warm-blooded, having feathers and wings usually capable of flight, having a beaked mouth, and laying eggs.'
  - inherited bird (Middle English)
    - inherited bridd (Old English), 'chick (a young bird or fledgling, as opposed to an altricial chick or hatchling)'
      - inherited *bridi (Proto-West Germanic)
        inherited *bridjaz (Proto-Germanic)
        derived *bredą (Proto-Germanic), 'board, plank, shelf'
        inherited *bʰer- (Proto-Indo-European), 'to bear, carry'

Direct ancestors

Updated June 2026

Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris