Io.
The daughter of Inachus river god, and a lover of Zeus, turned by the latter into a heifer.
Meaning & usage
The daughter of Inachus river god, and a lover of Zeus, turned by the latter into a heifer.
A moon of Jupiter, known for its volcanic activity, peppered with about 400 active volcanoes.
85 Io, a main belt asteroid; the asteroid shares its name with the Jovian moon
Where this word comes from
Borrowed from Latin Io, from Ancient Greek Ἰώ (Iṓ).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.