sub-light

adjective

At less than the speed of light.

OriginEnglish light ← Middle English light ← Old English lēoht →
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Meanings

adjectivesub-light (not comparable)

alternative sublight

  1. not comparableliteratureAt less than the speed of light.

    "We are about to test sub-light engine disengage."

    2017, A.K. Brown, Humans on the Menu (Champagne Universe Series: Book 2), page 36

Origin

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Proto-Germanic*leuhtą
  5. Proto-West Germanic*leuht
  6. Old Englishlēoht
  7. Middle Englishlight
  8. Englishlight
  9. Englishsub-light

From sub- + light.

Full word history & related roots →
Cite this entry
APA

sub-light. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sub-light

MLA

“sub-light.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sub-light. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sub-light,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sub-light.

Source: sub-light on Wiktionary, CC BY-SA 4.0.