Word.ws English Dictionary

tacho-

tacho- prefix: speed, velocity.

Prefix

tacho-

  1. speed, velocity

Origin of tacho-

Borrowed from Ancient Greek τάχος (tákhos, “speed”). Compare tachy-, from the same root.

Questions about tacho-

What does tacho- mean?
Tacho- means speed, velocity.
What part of speech is tacho-?
Tacho- is a prefix.

Words near tacho- in the dictionary

  1. tachistoscopically
  2. tachistoscopy
  3. tachistosopic
  4. tachists
  5. tacho
  6. tacho-
  7. tachocline
  8. tachoclines
  9. tachogram
  10. tachograms
  11. tachograph

Source and license

Adapted from Wiktionary: tacho- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “tacho-.” Word.ws, https://word.ws/tacho-. Based on Wiktionary, CC BY-SA 4.0.