Proto-Esperanto (Esperanto: Pra-Esperanto) is the modern term for any of the stages in the evolution of L. L. Zamenhof's language project, prior to the...

Native Esperanto speakers (Esperanto: denaskuloj or denaskaj esperantistoj) are people who have acquired Esperanto as one of their native languages. As...

language in Dr. Esperanto's International Language (Esperanto: Unua Libro), which he published under the pseudonym Doktoro Esperanto. Early adopters of...

Esperanto is written in a Latin-script alphabet of twenty-eight letters, with upper and lower case. This is supplemented by punctuation marks and by various...

The Esperanto movement, less commonly referred to as Esperantism (Esperanto: Esperantismo), is a movement to disseminate the use of the planned international...

Esperanto symbols, primarily the Esperanto flag, have seen much consistency over the time of Esperanto's existence (namely in the consistent usage of the...

An Esperantist (Esperanto: esperantisto) is a person who speaks, reads or writes Esperanto. According to the Declaration of Boulogne, a document agreed...

developed Esperanto in the 1870s and '80s. Unua Libro, the first print discussion of the language, appeared in 1887. The number of Esperanto speakers have...

measures against the Esperanto community, having Esperanto speakers imprisoned and killed as part of the Great Purge. The Esperanto community was restored...

The original word base of Esperanto contained around 900 root words and was defined in Unua Libro ("First Book"), published by L. L. Zamenhof in 1887...

Esperanto is the most widely used constructed language intended for international communication; it was designed with highly regular grammatical rules...

The Akademio de Esperanto (AdE; English: Academy of Esperanto) is an independent body of Esperanto speakers who steward the evolution of said language...

References to Esperanto, a constructed language, have been made in a number of films and novels. Typically, this is done either to add the exotic nature...

Esperanto culture refers to the shared cultural experience of the Esperantujo, or Esperanto-speaking community. Despite being a constructed language,...

Literature in the Esperanto language began before the first official publication in Esperanto in 1887: the language's creator, L. L. Zamenhof, translated...

Esperantido (plural Esperantidoj) is a constructed language derived from Esperanto. Esperantido originally referred to the language which is now known as...

Zamenhof, the creator of Esperanto. The primary difference is the absence of palatalization, although this was present in Proto-Esperanto (nacjes, now nacioj...

The Universal Esperanto Association (Esperanto: Universala Esperanto-Asocio, UEA), also known as the World Esperanto Association, is the largest international...

An Esperanto club (Esperanto: Esperanto-klubo) is a club of Esperanto speakers, or Esperantists. In contrast to national or international Esperanto organizations...

Esperanto has been used in Hungary since its construction in the late-19th century. It saw notable use through the 20th century, though it was suppressed...

Esperanto vocabulary and grammatical forms derive primarily from the Romance languages, with substantial contributions from Germanic languages. The language...

The international auxiliary language Esperanto has been mostly stable since its creation, especially as compared to other constructed languages. This...

The following is a list of Esperanto-language films including features and documentaries. Esperanto was created in the late 1870s and early 1880s. There...

was the creator of Esperanto, the most widely used constructed international auxiliary language. Zamenhof first developed the Esperanto language in 1873...

independent Esperanto-related groups. Universal Esperanto Association (Universala Esperanto-Asocio, UEA) Benin: Benin Esperanto Federation (Benina Esperanto-Federacio)...

asymmetry is an aspect of the constructed international auxiliary language Esperanto which has been challenged by numerous proposals seeking to regularize...

or Esperantio (IPA: [esperanˈtio]) is the community of speakers of the Esperanto language and their culture, as well as the places and institutions where...

The World Esperanto Congress (Esperanto: Universala Kongreso de Esperanto, UK) is an annual Esperanto convention. It has the longest tradition among international...

World Esperanto Youth Organization (Esperanto: Tutmonda Esperantista Junulara Organizo, TEJO) is an organization dedicated to supporting young Esperanto speakers...

Esperanto orthography, representing the sound [t͡ʃ], the pronunciation of the English ⟨ch⟩ as in "cheese". It is based on the letter ⟨c⟩. Esperanto orthography...