Obs. In 1 swinglung, (swinclung), 5 swyngyllyng. [Cf. Icel. svingla to rove, Da. svingla to reel, stagger, svingling reeling, giddiness. The form in the northern Alph. Tales may be from Scandinavian.] Giddiness, dizziness, vertigo.

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c. 1000.  Ælfric, Gloss., in Wr.-Wülcker, 112/18. Scotomia, swinglung.

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c. 1000.  Sax. Leechd., I. 344. Ðam mannum þe swinclunge [v.r. swinglunge] þrowiað.

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c. 1440.  Alphabet of Tales, 19. And þer fell a swyngyllyng in his hede þat he wex fonde with.

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