# Ido

> English word · Proper noun · IPA /ˈiː.dəʊ/ · frequency rank #50,585

## Definitions
1. A constructed language; a reform of Esperanto and Idiom Neutral.

## Etymology
Borrowing from Ido Ido. Began as a pseudonym, probably directly from Esperanto ido (“offspring”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ido