Definition of Esperanto noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌespəˈræntəʊ//
; NAmE NAmE//ˌespəˈræntoʊ//
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an artificial language invented in 1887 as a means of international communication, based on the main European languages but with easy grammar and pronunciation Word Originfrom the name Dr Esperanto, used as a pen-name by the inventor of the language, Ludwik L. Zamenhof (1858–1917), Polish physician; the literal sense is ‘one who hopes’ (based on Latin sperare ‘to hope’).
See the Oxford Advanced American Dictionary entry: Esperanto