Meaning of “tele-” - Learner’s Dictionary

tele-

prefix uk us /telɪ-/
TELEPHONE

done using a telephone:

TELEVISION

connected with television:

telecast (= something that is broadcast on television)
DISTANCE

over a long distance:

telephoto lens (= a camera lens that makes distant objects look nearer)

(Definition of “tele-” from the Cambridge Learner’s Dictionary © Cambridge University Press)