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[Alteration of Middle English whitflawe : perhaps alteration (influenced by white, white) of Middle Dutch vijt, abscess (variant of fijk, fijt, from Latin fīcus, fig, fig-shaped swelling, piles) + Middle English flaue, splinter, flaw; see flaw1.]
(Pathology) any pussy inflammation of the end of a finger or toe
[C14: changed from whitflaw, from white + flaw1]
1. a person who has committed a felony.
2. Archaic. a wicked person.adj.
3. Archaic. wicked; malicious; treacherous.
[1250–1300; Middle English fel(o)un wicked < Anglo-French; Old French fel (nominative), felun (oblique) wicked person, traitor, perhaps < Frankish *fillo, n. corresponding to Old Saxon fillian to ill-treat, whip, Old High German fillen to beat, whip; compare fell3]
an acute and painful inflammation of the tissues of a finger or toe, usu. near the nail. Also called whitlow.
[1375–1425; late Middle English felo(u)n < Medieval Latin fellōn-, s. of fellō scrofulous tumor]