Io.
Io, a daughter of Inachus and a lover of Zeus, who was transformed into a heifer
Meaning & usage
Io, a daughter of Inachus and a lover of Zeus, who was transformed into a heifer
Io ble forvandlet til en ku av Zevs.
Io, the innermost of Jupiter's four Galilean moons and the most volcanically active body in the Solar System
Io er den innerste av Jupiters fire galileiske måner.
Io, 85 Io, a large asteroid in the asteroid belt
85 Io ble oppdaget i 1865.
Where this word comes from
Internationalism, borrowed from Latin Īō (“Io”), from Ancient Greek Ἰώ (Iṓ, “Io”), itself of Pre-Greek origin. The meaning and ultimate origin of the Pre-Greek name are unknown. The astronomical names derive from the mythological figure. Simon Marius proposed the name Io for Jupiter's innermost Galilean moon in 1614, following a suggestion by Johannes Kepler that the four moons be named after mythological figures associated with Jupiter. The names became generally adopted in the mid-19th century. The asteroid 85 Io was discovered by Christian Heinrich Friedrich Peters on 19 September 1865 and likewise named after the mythological Io. Compare the parallel forms Norwegian Nynorsk Io, Danish Io, German Io and English Io.
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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.