tele-1

1.
a combining form meaning “distant,” especially “transmission over a distance,” used in the formation of compound words:
telegraph.
Also, tel-, telo-.
Origin
combining form representing Greek têle far, akin to télos end (see tele-2)

tele-2

1.
a combining form meaning “end,” “complete,” used in the formation of compound words:
telestich.
Also, tel-, teleo-, telo-.
Origin
combining form representing Greek télos end, and téleios perfected; akin to teleîn to fulfill
British Dictionary definitions for tele-

tele-

combining form
1.
at or over a distance; distant: telescope, telegony, telekinesis, telemeter
2.
television: telecast
3.
by means of or via telephone or television
Word Origin
from Greek tele far
Word Origin and History for tele-

word-forming element meaning "far, far off," from Greek tele-, combining form of tele "far off, afar, at or to a distance," related to teleos (genitive telos) "end, goal, result, consummation, perfection," literally "completion of a cycle," from PIE *kwel-es- (cf. Sanskrit caramah "the last," Breton pell "far off," Welsh pellaf "uttermost"), from root *kwel- (see cycle (n.)).

tele- in Medicine

tele- or tel-
pref.
Distance; distant: teletherapy.

tele- in Science
tele-  
A prefix that means "at a distance," as in telemetry.