Etymology

polyphase

P3O1L1Y4P3H4A1S1E1

Today it means: Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase. Full definition →

English phase ← New Latin phasis ← Ancient Greek φάσις (phásis)
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Proto-Indo-European*bʰeh₂-
  6. Proto-Indo-European*bʰh₂nyéti
  7. Proto-Hellenic*pʰáňňō
  8. Ancient Greekφᾰ(ν)- (phă(n)-)
  9. Ancient Greekφάσις (phásis)
  10. New Latinphasis
  11. Englishphase
  12. English todaypolyphase

From poly- + phase.

Etymology from Wiktionary, CC BY-SA 4.0.