1540s, "a tract or region of the earth," shortening of climate (or a nativization of Latin clima). It might usefully take up the old, abandoned "horizontal region of the earth" sense of climate, but it is used chiefly by the poets, and they display no evident agreement on what they mean by it.
1747, "of or pertaining to the early medieval principality or kingdom of Cumbria or Strathclyde, from the Latin name of Cumberland. By 1780 in a modern sense "belonging to the Lake District." Cumbric as "the extinct Celtic language of Cumbria" is by 1950.
in reference to the pre-1933 democratic government of Germany, 1932, from name of city in Thuringia where German constitution was drawn up in 1919. The place name is a compound of Old High German wih "holy" + mari "lake" (see mere (n.1)).