英语词源字典 - 在线词源网站

well-mannered (adj.)[well-mannered 词源字典]: late 14c., "moral, virtuous," from well (adv.) + mannered. Meaning "with good manners" is from 1540s.[well-mannered etymology, well-mannered origin, 英语词源]
well-meaning (adj.): late 14c., from well (adv.) + present participle of mean (v.).
well-meant (adj.): late 15c., from well (adv.) + past participle of mean (v.).
well-nigh (adv.): Old English wel neah, from well (adv.) + nigh.
well-off (adj.): 1733, "comfortable," from well (adv.) + off. Meaning "prosperous, not poor" is recorded from 1849.
well-ordered (adj.): c. 1600, from well (adv.) + past participle of order (v.).
well-read (adj.): 1590s, from well (adv.) + read (adj.).
well-regulated (adj.): 1709 (Shaftsbury), from well (adv.) + past participle of regulate (v.).
well-respected (adj.): 1590s, from well (adv.) + past participle of respect (v.).
well-rounded (adj.): 1796, "symmetrically proportioned, complete in all parts," from well (adv.) + past participle of round (v.). Figurative sense is from mid-19c.
well-spoken (adj.): mid-15c., from well (adv.) + -spoken.
well-wisher (n.): 1580s, from well (adv.) + agent noun from wish (v.). Well-wishing is recorded from 1560s.
wellaway: mid-13c., alteration (by influence of Scandinavian forms) of Old English wa la wa, literally "woe, lo, woe!" from wa "woe" (see woe).
Wellington (n.): boot so called from 1817, for Arthur, 1st Duke of Wellington (1769-1852), who also in his lifetime had a style of coat, hat, and trousers named for him as well as a variety of apple and pine tree.
wellness (n.): 1650s, from well (adv.) + -ness.
wellspring (n.): Old English welspryng "living spring, fountainhead," literal and figurative; see well (n.) + spring (n.2).
Welsh (adj.): Old English Wielisc, Wylisc (West Saxon), Welisc, Wælisc (Anglian and Kentish) "foreign; British (not Anglo-Saxon), Welsh; not free, servile," from Wealh, Walh "Celt, Briton, Welshman, non-Germanic foreigner;" in Tolkien's definition, "common Gmc. name for a man of what we should call Celtic speech," but also applied in Germanic languages to speakers of Latin, hence Old High German Walh, Walah "Celt, Roman, Gaulish," and Old Norse Val-land "France," Valir "Gauls, non-Germanic inhabitants of France" (Danish vælsk "Italian, French, southern"); from Proto-Germanic *Walkhiskaz, from a Celtic tribal name represented by Latin Volcæ (Caesar) "ancient Celtic tribe in southern Gaul."

As a noun, "the Britons," also "the Welsh language," both from Old English. The word survives in Wales, Cornwall, Walloon, walnut, and in surnames Walsh and Wallace. Borrowed in Old Church Slavonic as vlachu, and applied to the Rumanians, hence Wallachia. Among the English, Welsh was used disparagingly of inferior or substitute things (such as Welsh cricket "louse" (1590s); Welsh comb "thumb and four fingers" (1796), and compare welch (v.)). Welsh rabbit is from 1725, also perverted by folk-etymology as Welsh rarebit (1785).
Welshman (n.): Old English Wilisc mon; see Welsh + man (n.).
welt (n.): early 15c., a shoemaker's term, perhaps related to Middle English welten "to overturn, roll over" (c. 1300), from Old Norse velta "to roll" (related to welter (v.)). Meaning "ridge on the skin from a wound" is first recorded 1800.
weltanschauung (n.): 1868 (William James), from German Weltanschauung, from welt "world" (see world) + anschauung "perception" (related to English show).