Ido language of several modifications to be realized by the permanent Commission in the direction defined by the conclusions of the Report of the Secretaries [Louis Couturat and Léopold Leau] and by the Ido project". Esperanto's inventor, L. L. Zamenhof, having heard a number of complaints, had suggested in 1894 a proposal for a Reformed Esperanto with several changes that Ido adopted and made it closer to French: eliminating the accented letters and the accusative case, changing the plural to an Italianesque "-i", and replacing the table of correlatives with more Latinate words. However, the Esperanto community voted and rejected Reformed Esperanto,
L. L. Zamenhof international language must have a simpler grammar. Apart from his parents' native languages Russian and Yiddish and his adopted language Polish, his linguistics attempts were also aided by his mastering of German, a good passive understanding of Latin, Hebrew and French, and a basic knowledge of Greek, English and Italian. By 1878, his project "Lingwe uniwersala" was almost finished. However, Zamenhof was too young then to publish his work. Soon after graduation from school he began to study medicine, first in Moscow, and later in Warsaw. In 1885, Zamenhof graduated from a university and began his practice as a doctor