1570s, "a deviation in argument," also "a military sally," from Latin excursionem (nominative excursio) "a running forth, sally, excursion, expedition," figuratively "an outset, opening," noun of action from past-participle stem of excurrere "run out, run forth, hasten forward; project, extend," from ex "out" (see ex-) + currere "to run" (from PIE root *kers- "to run"). Sense of "journey" recorded in English by 1660s.
c. 1600, "Odyssey," title given to one of the two great epic poems of ancient Greece, from Latin Odyssea, from Greek Odysseia, the ancient name of the Homeric poem telling tales of the ten-year wanderings of Odysseus, king of Ithaca, seeking home after the fall of Troy. Figurative sense of "long, adventurous journey" is recorded by 1889.
city in Colorado, U.S., founded 1858 as Auraria ("golden"), renamed 1859 for Gen. James W. Denver (1817-1892), governor of the territory. The family name is from the place of that name in Norfolk, literally "ford or passage used by the Danes," from Old English Dena (genitive plural) + fær"journey, road, passage, expedition," from strong neuter of faran "to journey" (see fare (v.)).
The Denver boot or shoe (1967), a wheel clamp for illegally parked vehicles, supposedly was invented 1953 by Frank Marugg, pattern-maker and violinist with the Denver Symphony Orchestra. He was a friend of politicians and police department officials, and the city sheriff's department came to him for help in making a device to immobilize vehicles whose owners didn't pay parking tickets.
late 14c., "minute opening, small orifice, or perforation" in the earth, a tree, the body of a human, animal, or insect, a bone, etc.," from Old French pore (14c.) and directly from Latin porus "a pore," from Greek poros "a pore," literally "passage, way," from PIE *poro- "passage, journey," suffixed form of PIE root *per- (2) "to lead, pass over."