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See also: Radix



From Latin rādīx (a root). Doublet of radish.



radix (plural radixes or radices)

  1. (biology) A root.
  2. (linguistics) A primitive word, from which other words may be derived.
  3. (mathematics) The number of distinct symbols used to represent numbers in a particular base, as ten for decimal.


Derived terms[edit]


Further reading[edit]




From Proto-Italic *wrādīks, from Proto-Indo-European *wréh₂ds.



rādīx f (genitive rādīcis); third declension

  1. A root (of a plant).
  2. A radish.
  3. The lower part of an object; root.
  4. (figuratively) A foundation, basis, ground, origin, source, root.


Note that the genitive plural rādīcum has the alternative form rādicium. Third-declension noun.

Case Singular Plural
Nominative rādīx rādīcēs
Genitive rādīcis rādīcum
Dative rādīcī rādīcibus
Accusative rādīcem rādīcēs
Ablative rādīce rādīcibus
Vocative rādīx rādīcēs

Derived terms[edit]


  • Italo-Romance:
    • Italian: radice (see there for further descendants)
  • Padanian:
  • Northern Gallo-Romance:
  • Southern Gallo-Romance:
  • Ibero-Romance:
  • Derived forms:
    • Late Latin: rādīcīna (see there for further descendants)
    • Vulgar Latin: *rādī̆ca (see there for further descendants)
  • Old borrowings:
    • Albanian: radhiqe
    • Proto-West Germanic: *rātik (see there for further descendants)
  • Modern borrowings:


  • radix in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • radix in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • radix in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • radix in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to take root: radices agere (De Off. 2. 12. 73)
    • at the foot of the mountain: sub radicibus montis, in infimo monte, sub monte
    • to occupy the foot of a hill: considere sub monte (sub montis radicibus)
  • De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 512
  • Meyer-Lübke, Wilhelm (1911), “radix”, in Romanisches etymologisches Wörterbuch (in German), page 524
  • von Wartburg, Walther (1928–2002), “radix”, in Französisches Etymologisches Wörterbuch (in German), volume 100, page 26