What is the translation of the word "esperanto", the most widely spoken constructed language?

Like the Spanish word Esperanza, which means hope.

Little Saint, Just after the UK voted to leave the EU the annual Eurovision song contest was held. Of the 28 entries that year 25 of them were in English . A bit more widespread than Esperanto

I think of Rich Text Format as esperanto for PCs.

There was a movie starring William Shatner with Esperanto in the 1970's. Doubt it was well received.