Also bethwyn, bethwind. [Of unknown derivation: the second element is perh. wind: the whole looks like a perversion of bend-with or bind-with.] A name given locally to various twining plants: a. The Great Hedge Convolvulus (C. sepium). b. The Bear-bind (Polygonum Convolvulus). c. The Travellers Joy (Clematis Vitalba).
1609. C. Butler, Fem. Mon. (1623), iii. F iij. And then with a small pliant Garth or Belt of Bethwyn, Bramble, Brier, or the like, gird the Hackle close to the Hiue.
1863. Kingsley, Water Bab. (1878), 187. There was no more hope of rooting out them than of rooting out peth-winds [convolvulus].
1875. Parish, Sussex Gloss., Bethwine, the wild clematis.