"well-being," Old English wela "wealth," in late Old English also "welfare, well-being," from West Germanic *welon, from PIE root *wel- "to wish, will" (see will (v.)). Related to well (adv.).
"raised mark on skin," 1821, alteration of wale (q.v.).
weal (wēl)n. A ridge on the flesh raised by a blow; a welt.