tele-youdaoicibaDictYouDict[tele- 词源字典]
before vowels tel-, word-forming element meaning "far, far off, operating over distance" (also, since c. 1940, "television"), from Greek tele-, combining form of tele "far off, afar, at or to a distance," related to teleos (genitive telos) "end, goal, completion, perfection," literally "completion of a cycle," from PIE *kwel-es- (cognates: Sanskrit caramah "the last," Breton pell "far off," Welsh pellaf "uttermost"), perhaps from root *kwel- (1) (see cycle (n.)).[tele- etymology, tele- origin, 英语词源]