tetra-

/ˈtɛtɹə/

prefix

Four.

Meanings

prefix

alternative before vowel tetr-

  1. Four.

    Which is how Kit first heard about the T.W.I.T. back in London, and of the ghostly neo-Pythagorean cult of tetralatry or worship of the number four, currently the rage in certain European circles

    2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 665: [cf. -latry]

    Synonyms: tessara-, quadri-

Synonyms & antonyms

prefixFour.

Origin

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-

Borrowed from Ancient Greek τετρα- (tetra-), combining form of Ancient Greek τέτταρες (téttares), from τέσσαρες (téssares, “four”). Doublet of quadri-.

Full word history & related roots →

Translations

Catalan tetra-
  • tetra-forming compound words having the sense of ‘four’
Finnish tetra-
  • tetra-forming compound words having the sense of ‘four’
French tétra-
  • tétra-forming compound words having the sense of ‘four’
Hindi चतुर्-
  • चतुर्- (catur-)forming compound words having the sense of ‘four’
Hungarian tetra-
  • tetra-forming compound words having the sense of ‘four’
Polish tetra-
  • tetra-forming compound words having the sense of ‘four’
Portuguese tetra-
  • tetra-forming compound words having the sense of ‘four’
Punjabi چُ
  • چُ (cu)forming compound words having the sense of ‘four’
Cite this entry
APA

tetra-. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tetra-

MLA

“tetra-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tetra-. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tetra-,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tetra-.

Source: tetra- on Wiktionary, CC BY-SA 4.0.