Meaning

noun a character printer connected to a telegraph that operates like a typewriter

verb communicate by telex

originFrom Telex Printergram, a service offered beginning 15 Aug. 1932 by the British General Post Office's Central Telegraph Office, derived as a blend of tele- (“telegraph, teletype, teleprinter, etc.”) + exchange. Subsequently branded in the United States by Western Union and then similarly genericized. In reference to the Vietnamese conventions, a borrowing of Vietnamese Telex, from French télex,…

Etymology from Wiktionary, CC BY-SA 3.0