millimilli-

prefix

micro- (in the names of SI units)

OriginEnglish milli- ← French milli- ← Latin mīlle →
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Meanings

prefix
  1. obsoletemicro- (in the names of SI units)

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Indo-European*smih₂
  4. Proto-Indo-European*ǵʰes-
  5. Proto-Indo-European*ǵʰéslom
  6. Proto-Indo-European*ǵʰéslih₂
  7. Proto-Indo-European*smih₂ǵʰéslih₂
  8. Proto-Italic*smīɣeslī
  9. Latinmīlle
  10. Frenchmilli-
  11. Englishmilli-
  12. Englishmillimilli-

From milli- + milli-.

Full word history & related roots →
Cite this entry
APA

millimilli-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/millimilli-

MLA

“millimilli-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/millimilli-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “millimilli-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/millimilli-.

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