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THE DICTIONARY VORTARO*

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>“La Vortaro”Pilger: “BER”Bick: “Esperanto-dansk”>

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THE INSTANT MESSENGER TUJMESAĜILO*

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Concise grammar

Word construction

One root in Esperanto can make many words when you add prefixes and suffixes to them. That means that you don't need to learn as many words as in other languages.

One possibility is to use the diverse word endings.

skrib' =>
skribo - a writing
skriba - written
skribi - to write
skribe - in writing
interes' =>
intereso - interest
interesa - interesting
interesi - to interest
interese - interestingly

When you create a compound word, you can keep or drop off the word ending of the first word, depending on which is easier to say.
skrib' + tabl' => skribotablo / skribtablo - writing table

For many prefixes and suffixes, you can create even more words from the same root. See more at Affixes.

More detailed explanations

Read here.

Exercises

Level 1, Level 2, Level 3