Etymology

luminal

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Today it means: of or pertaining to the lumen Full definition →

Proto-Indo-European *h₂élisder.? ← Latin lumina
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luminal · adjective1

  1. Latinlumina
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. English todayluminal

From Latin lumina (“lights”) + English -al.

luminal · noun2

From the brand name.

Etymology from Wiktionary, CC BY-SA 4.0.