tele

‘Tele’ is a greek word that means ‘far, or at a distance’.
There were a flood of inventions created primarily in the 19th century that use the prefix ‘tele’. These include:
telescope = to see at a distance
television = to see pictures from far away
telephone = to talk at a distance (example #2)
telegraph = to write at a distance
telegram = a message sent by telegraph
telecommunications = to communicate at a distance
telecommuter = undertakes work from a distance