group of islands off the north coast of Scotland, from Old Norse Orkney-jar "Seal Islands," from orkn "seal," which is probably imitative of its bark. With Old Norse ey "island" (compare Jersey). Related: Orcadian; Orkneyman.
"gloom, darkness," c. 1300, myrke, from Old Norse myrkr "darkness," from Proto-Germanic *merkwjo- (source also of Old English mirce "murky, black, dark;" as a noun, "murkiness, darkness," Danish mǿrk "darkness," Old Saxon mirki "dark"); perhaps cognate with Old Church Slavonic mraku, Serbo-Croatian mrak, Russian mrak "darkness;" Lithuanian merkti "shut the eyes, blink," from PIE *mer- "to flicker" (see morn). In Middle English also as an adjective (c. 1300, from Old Norse) and a verb. Sometimes spelled mirk, especially in Scotland. Mirk Monday was long the name in Scotland for the great solar eclipse of March 29, 1652 (April 8, New Style).
Australian evergreen tree, commercially important for its edible nut, 1904, from Modern Latin (1858), named for Scotland-born chemist Dr. John Macadam, secretary of the Victoria Philosophical Institute, Australia, + abstract noun ending -ia.
"one who differs in opinion or declares disagreement," 1630s, agent noun from dissent. In 17c. England and Scotland especially "one who refuses to accept the authority or doctrines, or conform to the rituals of the established church" (with a capital D- from 1670s).
maritime province of Canada, Latin, literally "New Scotland," part of the former French Acadia, it was so named when a settlement grant was made by James I to William Alexander, Earl of Sterling, in 1621. Related: Nova Scotian.