Es ‧ pe ‧ ran ‧ to /ˌespəˈræntəʊ $ -ˈrɑːntoʊ/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Origin: Dr Esperanto (from Latin sperare 'to hope' ), name taken by Ludwik Zamenhof, who invented the language ]
an artificial language invented in 1887 to help people from different countries in the world speak to each other