Etymology

bipolar

B3I1P3O1L1A1R1

Today it means: Involving or having both extremes or poles at the same time. Full definition →

English polar ← Late Latin polāri ← Proto-Indo-European *h₂élisder.?
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Proto-Indo-European*kʷel-
  7. Proto-Indo-European*kʷól-os
  8. Proto-Hellenic*pólos
  9. Ancient Greekπόλος (pólos)
  10. Latinpolus
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Late Latinpolāri
  14. Englishpolar
  15. English todaybipolar

From bi- + polar.

Etymology from Wiktionary, CC BY-SA 4.0.