köken: Inherited from Old Swedish idha, from Old Swedish ið- (“again, back”); compare with idelig (“perpetual”) and idissla (“ruminate”). Attested since 1434. Cognate with Danish ide, Norwegian ida, ia, ea and Icelandic iða. Possibly also English eddy.
Den skall gillra gäddan åt dig, fånga in den feta fisken i den svarta Tuoniströmmen, invid Manaälvens eda.
to undulate, to wave (to cause to resemble a wave) · to knit meshes by bending them into loops using a machine · to undulate, to wave (to move in wavelike motions)
vortex, whirlpool, eddy (a powerful, circular current of water or air that spins around a central axis) · swirl, whirl, vortex (a chaotic or rapid sequence of events or emotions that feels overwhelming)
köken: Etymology tree Proto-Slavic *virъ Slovak vír Inherited from Proto-Slavic *virъ. First attested in the 17th century.