Meaning

noun a means or instrumentality for storing or communicating information

noun the surrounding environment

noun an intervening substance through which signals can travel as a means for communication

originBorrowed from Latin Mēdia, from Ancient Greek Μηδία (Mēdía), from Μῆδος (Mêdos), from *Mada (vocalization uncertain), the Old Median language self-designator signifying speakers of the Median language. Compare Old Persian 𐎶𐎠𐎭 (Māda). Ultimately from Proto-Indo-European *médʰyos (“middle”) i.e. central kingdom, cognate with Sanskrit मध्य (mádhya).

Etymology from Wiktionary, CC BY-SA 3.0