Ido

Esperanto, Ido, Interlingua, Klingon, Lojban, Na'vi and Volapük are constructed languages.

Ido is the most beautiful and simple language.

What is Ido?

My grandfather had a braille book about Esperanto and Ido.

I speak Ido.

That isn't Ido.

That's not Ido.

Some people find derivation to be more logical and regular in Ido than in Esperanto.

I'm learning Ido.

I study Ido.