# radix
## English
### Etymology

Learned borrowing from Latin rādīx (“a root”). Doublet of radish.

### Pronunciation

* IPA: /ɹeɪ.dɪks/
* Audio (Southern England):(file)
* Rhymes: -eɪdɪks

### Noun

radix (plural radixes or radices)
* (biology) A root.
* (linguistics) A primitive word, from which other words may be derived.
* (mathematics) The number of distinct symbols used to represent numbers in a particular base, as ten for decimal.

#### Synonyms

* (linguistics): primitive (word), radical word

#### Derived terms

* diminished radix complement
* radix complement
* radix point
* radix sort
* radix tree

#### Translations
### Further reading

* radix on Wikipedia.Wikipedia
* “radix”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
* William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “radix”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

## Latin
### Etymology

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

### Pronunciation

* (Classical Latin) IPA: /ˈraː.diːks/, [ˈräːd̪iːks̠]
* (modern Italianate Ecclesiastical) IPA: /ˈra.diks/, [ˈräːd̪iks]

### Noun

rādīx f (genitive rādīcis); third declension
* (of a plant): root
* radish
* lower part of an object; root
* (figuratively) foundation, basis, ground, origin, source, root

#### Declension

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

#### Derived terms

* ērādīcō
* rādīcālis
* rādīcātus
* rādīcescō
* rādīcīna
* rādīcō
* rādīcor
* rādīcōsus
* rādīcula
* rādix grāminis

#### Descendants

* Italo-Romance:
** Italian: radice (see there for further descendants)
* Padanian:
** Gallo-Italic:
*** Ligurian: réixe, réixa, ràixa, raìxa
*** Old Lombard: rayxe
**** Lombard: raìss, ariss
*** Piedmontese: rèis, ràis, rèux
*** Romagnol: radìșa
** Friulian: radris
** Romansch: ragisch, risch, rieisch
** Venetan: raìs, raixa
* Gallo-Romance:
** Franco-Provençal: rés, réce, rage
** Old French: raïz
*** ⇒ French: raifort (“horseradish”) (+fort 'strong')
* Occitano-Romance:
** Old Catalan: raïu, rahiu
*** ⇒ Catalan: raïl (hypercorrection) ⇒ rel (monophthongization) ⇒ arrel (epenthesis)
** Gascon: arraditz, raditz, arraïtz
** Old Occitan: raitz
*** Occitan: raiç
* Ibero-Romance:
** Aragonese: radiz
** Asturian: raíz
** Old Galician-Portuguese: raiz, rayz
*** Galician: raíz
*** Portuguese: raiz (see there for further descendants)
** Spanish: raíz; ⇒ raigón
* Ancient borrowings:
** → Proto-Albanian: [Term?]
*** Albanian: radhiqe
** → Proto-West Germanic: *rādik (see there for further descendants)
* Later borrowings:
** → English: radix
** → German: Radix
** → Welsh: rhadicl
*** → Welsh: rhuddygl

### References

* 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
* Walther von Wartburg (1928–2002) “radix”, in Französisches Etymologisches Wörterbuch, volume 10: R, page 26

### Further reading

* “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, 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)

## Romanian
### Etymology

Borrowed from Latin radix.

### Noun

radix n (plural radixuri)
* a root (of a plant)

#### Declension
### References

* radix in Academia Română, Micul dicționar academic, ediția a II-a, Bucharest: Univers Enciclopedic, 2010. →ISBN