From Longman Dictionary of Contemporary Englishtele-tele- /teli, telə/ prefix 1 DISTANCEat or over a long distance a telescope  (=for seeing a long way) telecommunications  (=communicating with people a long way away) teleshopping  (=using a computer in your home to order goods)2 TELEVISION/RADIOfor television or broadcast on television a teleplay3 using a telephonetelesales (=selling products to people by telephone)
                                                    
                                                Examples from the Corpus
tele-• telegenicFrom Longman Business Dictionarytele-tele- /teli, telə/ prefix1at or over a long distancetelecommunicationsteleshopping  (=using a computer in your home to order goods)teleworking  (=working from home using a computer connected to the main office)2by or for televisiona telerecording3by telephonetelesalestelemarketingOrigin tele- Modern Latin Greek, from tele “far off” 
