last section of the abdomen of a crustacean, 1855, from Greek telson "a limit, boundary" (see tele-).
Entries linking to telson
tele-
before vowels tel-, word-forming element meaning "far, far off, operating over distance" (also, since c. 1940, "television"), from Greek tele "far off, afar, at or to a distance," related to teleos (genitive telos) "end, goal, completion, result," from PIE root *kwel- (2) "far" in space or time.