"capable of being carried from place to place," early 15c., from French portable "that can be carried," from Late Latin portabilis "that can be carried," from Latin portare "to carry" (from PIE root *per- (2) "to lead, pass over"). An earlier word for "designed to be carried from place to place" was portatif (late 14c.), from Old French. Related: Portability.
The Chauvinist is a man who can only express his patriotic feelings in terms of hatred to other countries. There are still to be found in France certain people who can only show the excellence of French institutions by exhibiting the wickedness of the English. [The Home and Foreign Review, October 1863]
surname, c. 1300, in some uses it represents an Englishing of Cologne, the city in Germany. As a surname it can be this or from Cullen, Banffshire.
1520s, originally in grammar, from positive (adj.). Sense of "that which can be affirmed, reality" is from 1610s. Sense in photography (opposite of negative (n.)) is by 1853.