Etymology

extrahelical

E1X8T1R1A1H4E1L1I1C3A1L1

Today it means: Beyond, or temporarily removed from the double helix, of a nucleic acid molecule Full definition →

English helical ← Latin extrā ← Proto-Italic *eksteros
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The story

  1. Proto-Indo-European*h₁éǵʰs
  2. Proto-Indo-European*h₁eǵʰsteros
  3. Proto-Italic*eksteros
  4. Latinexter
  5. Latinextrā
  6. Englishextra-
  7. Englishhelical
  8. English todayextrahelical

From extra- + helical.

Etymology from Wiktionary, CC BY-SA 4.0.