The word 'telecast' is a modern 20th-century compound, created by blending the Greek-derived prefix 'tele-' (meaning 'distant') with the Old Norse-derived verb 'cast' (meaning 'to throw or send'). This formation directly parallels the logic of 'broadcast,' which originally meant to scatter seeds widely. The conceptual link is clear: a telecast 'throws' or sends images and sounds over a 'distance' via television technology. It is a prime example of how ancient roots are recombined to name new technological phenomena, with the literal sense of "distant sending" perfectly encapsulating the function of television transmission.

Structure: tele (distant) + cast (send/throw) - tele: From Greek tēle-, meaning "far off, at a distance." - cast: From Old Norse kasta, meaning "to throw."