Jupiter

Etymology

It is borrowed from Latin Iūpiter, also Iuppiter,^[2][3][4] the Roman god's name, from Iovis, the source of Jove, and pater (“father”).^[2][4][5] Hoad records the earliest English spelling as Iubiter.^[6] The name was originally a vocative, the form most used in invocations,^[3][7][8] and Wiktionary traces it to Proto-Italic *djous patēr (“sky father”).^[1] Etymonline takes it further back to Proto-Indo-European *dyeu-peter- (“god-father”), from the root Proto-Indo-European *dyeu- (“to shine, in derivatives sky, heaven, god”),^[3][9] and the second part is related to father.^[3][7] It matches Ancient Greek Ζεῦ πάτερ (Zeû páter, “Father Zeus”),^[7][8][3] and a matching phrase in Sanskrit means "heaven father".^[4][7] Latin also had the form Diēspiter.^[7][3] Old English knew the older name as Iob.^[3]

Earliest recorded meaning

The supreme god of the ancient Romans: about 1275, in the Caligula manuscript of Laȝamon's Brut, a text the OED dates to perhaps before 1200.^[2] Etymonline says about 1200,^[3] and Merriam-Webster and Hoad the 13th century.^[10][6]

Semantic evolution

In Latin the name also stood for the sky itself, as in sub Iove, in the open air.^[3] English took over the planet's name almost at once, about 1290 in the South English Legendary,^[2] from the Latin usage Iovis stella.^[3] Astrology made the planet an influence on character, which is the origin of jovial, literally born under Jupiter.^[11] The god's link to weather produced Jupiter Pluvius, Jupiter as dispenser of rain, recorded from 1704^[3] and jocular from the mid-19th century;^[3] Weekley calls it modern, modelled on Jupiter tonans.^[8] The name was also given to the metal tin in alchemy, from about 1386, in Chaucer, until 1758,^[2][6] and to the colour azure in heraldic blazons of sovereign princes, from 1572 to 1766.^[2][4] By Jupiter is a literary exclamation of surprise or approval,^[4] and Jupiter's beard names a southern European shrub and the houseleek,^[4] the latter also in Devon.^[12]

Timeline

• c. 1275 – the supreme god of the Romans.^[2]
• c. 1290 – the largest planet.^[2][3]
• c. 1386 – in alchemy, tin (obsolete by 1758).^[2][6]
• 1572 – in heraldry, azure (obsolete by 1766).^[2]
• 1704 – Jupiter Pluvius, the god as dispenser of rain.^[3] The OED's first record of the name used trivially of a fall of rain is from 1864.^[2]

Meanings

Proper noun

1. The chief god of the Roman state religion, originally a sky god associated with thunder and lightning, husband of Juno and counterpart of the Greek Zeus.^[5][10][13]
2. The largest planet of the solar system, fifth in order from the sun.^[5][10][13]
3. (obsolete, c. 1386–1758) In alchemy, the metal tin.^[2][4]
4. (obsolete, 1572–1766) In heraldry, the tincture azure in blazons that use the names of heavenly bodies.^[2][4]

Related words

• Jove
• jovial
• Zeus
• deity
• father

References

1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d e f g h i j k l m Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
3. ^ a b c d e f g h i j k l m n Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
4. ^ a b c d e f g h Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
5. ^ a b c Stevenson, Angus, ed. (2010), Oxford Dictionary of English, 3rd ed., Oxford: Oxford University Press
6. ^ a b c d Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
7. ^ a b c d e Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
8. ^ a b c Weekley, Ernest (1921), An Etymological Dictionary of Modern English, London: John Murray
9. ^ The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
10. ^ a b c Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
11. ^ Ayto, John (2005), Word Origins: The Secret Histories of English Words from A to Z, 2nd ed., London: A & C Black
12. ^ Wright, Joseph, ed. (1898–1905), The English Dialect Dictionary, 6 vols., Oxford: Henry Frowde; via EDD Online 4.0, University of Innsbruck (CC BY 4.0)
13. ^ a b Collins English Dictionary (2023), Glasgow: HarperCollins