graylag

or grey·lag

[ grey-lag ]
/ ˈgreɪˌlæg /

noun

a common, gray, wild goose, Anser anser, of Europe, that is the ancestor of most breeds of domestic goose.

Origin of graylag

1705–15; gray1 + lag1 (with reference to its habit of remaining longer in England before migrating than other species of the genus)

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