Fundamento de Esperanto

work by Zamenhof

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Last updated

June 29, 2026

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The Fundamento de Esperanto, published in 1905, is a foundational work by L.L. Zamenhof that establishes the core principles of the Esperanto language. Zamenhof, a Polish physician, created Esperanto as an international artificial language intended to promote tolerance and understanding.12

Esperanto is designed for ease of learning, particularly for Europeans, with roots drawn from common European languages, especially Romance languages. Its grammar is regular and simple, featuring phonetic spelling and consistent word endings for nouns and verbs. The language has a definite article, la, but no indefinite article. Esperanto has seen considerable success, with an estimated over 100,000 speakers worldwide and numerous organizations and publications dedicated to its use.2

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L.L. Zamenhof
His Fundamento de Esperanto (1905; 17th ed., 1979; “Basis of Esperanto”) established the principles of Esperanto structure and formation.
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His Fundamento de Esperanto (1905; 17th ed., 1979; “Basis of Esperanto”) established the principles of Esperanto structure and formation.
Read More