Jupiter
/ˈdʒuː.pɪ.tər/noun
The Roman god of the sky and thunder, and the largest planet in the solar system.
Did you know?Jupiter comes from Latin Iūpiter, originally *Dyēus-pəter, the same ancient sky-father root behind Zeus and Sanskrit Dyaus Pitar — a divine title older than Rome itself.
Etymological Timeline
Proto-Indo-European
PIE
*Dyḗus ph₂tḗr
“Sky Father, the chief daylight sky god”
Proto-Italic
PI
*Djous patēr
“The inherited Italic form of the Sky Father”
Old Latin
Latin
Iou(p)piter / Diēspiter
“Jupiter, the chief Roman sky and thunder god”
Classical Latin
Latin
Iūpiter
“The Roman god Jupiter”
Middle English
English
Jupiter
“The Roman god and, later, the planet named for him”