英语词源字典 - 在线词源网站

adoring (adj.)[adoring 词源字典]: 1650s, "worshipping," present participle adjective from adore. Related: Adoringly.[adoring etymology, adoring origin, 英语词源]
boring (adj.): mid-15c., "action of piercing," from bore (v.). From 1853 in reference to animals that bore; 1840 in the sense "wearying, causing ennui."
coloring (n.): late 14c., "action of applying color," noun of action from color (v.). Figurative use by 1540s. Meaning "way something is colored" is early 15c. Coloring book is from 1931.
flavoring (n.): "thing that gives flavor," 1845, originally in cookery, verbal noun from flavor (v.). Middle English flauryng meant "perfume."
flooring (n.): "materials of a floor," 1620s, verbal noun from floor (v.).
mooring (n.): "place where a vessel can be moored," early 15c., "process of making a ship secure," verbal noun from moor (v.).
moorings (n.): 1744, "ropes, etc., by which a floating thing is made fast," from mooring. Figurative sense is from 1851.
offshoring (n.): in the economic sense, as a form of outsourcing, attested by 1988, from offshore.