English
welt
First use appears c.
first attested Meaning "ridge on the skin from a wound" first recorded 1800 (as stated in the etymology)
The story
First use appears c. 1425, a shoemaker's term. Perhaps related to Middle English welten (‘to overturn, roll over’), from Old Norse velta (‘to roll’). Meaning "ridge on the skin from a wound" first recorded 1800.
Today it means
noun A ridge or lump on the skin, as caused by a blow or insect bite.
Language periods are conventional ranges, not dates for this word.
Etymograph / welt