Etymology

polyfoam

P3O1L1Y4F4O1A1M3

Today it means: Any of various materials, made from synthetic polymers, that have a cellular structure and are frequently used in upholstery or insulation. Full definition →

English foam ← Ancient Greek πολῠ́ς (polŭ́s) ← Proto-Indo-European *polh₁ús
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Englishfoam
  6. English todaypolyfoam

From poly- + foam.

Etymology from Wiktionary, CC BY-SA 4.0.