Word.ws English Dictionary

sesqui-

sesqui- prefix: 1½; 1½ times.

Prefix

sesqui-

  1. 1½; 1½ times
  2. In a ratio of 1 and 1/x to 1
    • sesquialterate, sesquitertian, sesquioctave

Origin of sesqui-

From Latin sēsqui- (“1½ times; increased by 50%”), from semi- (“half”) and -que (“and; also”).

Questions about sesqui-

What does sesqui- mean?
Sesqui- means 1½; 1½ times.
What part of speech is sesqui-?
Sesqui- is a prefix.

Words near sesqui- in the dictionary

  1. sesma
  2. sesmas
  3. Sesori
  4. Sesotho
  5. sespenine
  6. sesqui-
  7. sesqui-century
  8. sesquialter
  9. sesquialtera
  10. sesquialteral
  11. sesquialteran

Source and license

Adapted from Wiktionary: sesqui- (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: “sesqui-.” Word.ws, https://word.ws/sesqui-. Based on Wiktionary, CC BY-SA 4.0.