(v.)). Also used as an interjection and an expression of surprise in O.E. Well-to-do "prosperous" is recorded from 1825.
"to spring, rise, gush," O.E. wiellan (Anglian wællan), causative of weallan "to boil, bubble up" (class VII strong verb; past tense weoll, pp. weallen), from P.Gmc. *wal-, *wel- "roll" (cf. O.S. wallan, O.N. vella, O.Fris. walla, O.H.G. wallan, Ger. wallen, Goth. wulan "to bubble, boil"), from
PIE base *wel- "to turn, roll" (see vulva
), on notion of "roiling or bubbling water."
"hole dug for water, spring of water," O.E. wielle (W.Saxon), welle (Anglian), from wiellan (see well