テレックス
テレックス · terekkusu · JLPT N1 · noun
teletypewriter
⌨️ テレックス = TELegraph + EXchange: a network for sending typed messages over telegraph lines
テレ is 'tele' (distance) and ックス echoes the 'x' in EXchange. Telex was the typed-message network businesses used from the 1930s to the 1980s.