c. 1600, in reference to the mode of ancient Greek music, literally "of Doris," from Greek Doris, district in central Greece, traditionally named for Doros, legendary ancestor of the Dorians [..]

A mode used in Gregorian chant based upon the second tone of the major scale. In the key of C, the Dorian mode would be based on D, and would include the pitches D, E, F, G, A, B, C, and D.

(n) a member of one of four linguistic divisions of the prehistoric Greeks(n) the ancient Greek inhabitants of Doris who entered Greece from the north about 1100 BC(adj) of or relating to the ancient [..]

[1,2] a mode

The name was first used by Oscar Wilde in his novel The Picture of Dorian Gray (1891), which tells the story of a man whose portrait ages while he stays young. Wilde may have taken it from the name of [..]