meme (n.)

c. 1600, "a buffoon who practices gesticulations" [Johnson], from French mime "mimic actor" (16c.) and directly from Latin mimus, from Greek mimos "imitator, mimic, actor, mime, buffoon," a word of unknown origin.  In reference to a performance, 1932 as "a pantomime," earlier (1640s) in a classical context: The ancient mimes of the Italian Greeks and Romans were dramatic performances, generally vulgar, with spoken lines, consisting of farcical mimicry of real events and persons.

1911, from German Gen, coined 1905 by Danish scientist Wilhelm Ludvig Johannsen (1857-1927), from Greek genea "generation, race" (from PIE root *gene- "give birth, beget"). De Vries had earlier called them pangenes. Gene pool is attested from 1946.