Iuppiter

• Iūpiter
• Jūpiter
• Juppiter

The nominative Iuppiter, for Iūpiter (with shift of the length from vowel to consonant per the "littera" rule), comes from a vocative combined with pater, and essentially meant "father Jove": Proto-Italic *djous patēr, from *djous (“day, sky”) + *patēr (“father”), from Proto-Indo-European *dyḗws (“lit. the bright one”), root nomen agentis from *dyew- (“to be bright, day sky”). It is cognate with Umbrian 𐌉𐌖𐌐𐌀𐌕𐌄𐌓 (iupater), and in other Indo-European branches also Sanskrit द्यौष्पितृ (dyauṣ-pitṛ), Ancient Greek Ζεῦ πάτερ (Zeû páter, “o father Zeus”).

The oblique cases Iov-, Iovis continue the inflection of Proto-Indo-European *dyḗws. Cognates are Latin diēs (from the accusative case) and Ancient Greek Ζεύς (Zeús).

• (Classical) IPA^(key): /ˈjup.pi.ter/, [ˈjʊp.pɪ.tɛr]
• (Ecclesiastical) IPA^(key): /ˈjup.pi.ter/

• Audio (Classical)

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Iuppiter m (genitive Iovis); irregular declension

1. The god Jupiter.
2. (poetic) The sky.
3. The planet Jupiter.
   • 1584, Johann Virdung of Hassfurt, De Cognoscendis, et Medendis Morbis ex Corporum Coelestium Positione:

     [f. 7r] Ex ♃ Peripneumonia, Apoplexia, Pleurisis cardiaca, Angina, [...] oriuntur.

     [f. 7v] HABENT Namque Planetae speciales influentias super humani corporis membra ob existentiam eorum in signis, vt in Ariete, Saturnus habet pectus. Iupiter ventrem. Mars caput. [etc.]

Third declension.

• (the planet Jupiter): Phaenōn, Phaëthōn

• dies Iovis
• iovialis

• Diespiter
• Diovis

• Iuppiter in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers

Iuppiter

1. Alternative form of Jubiter

• “Jupiter (n.)” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 14 June 2018.