Etymology

spiro-

Today it means: spiral, helix Full definition →

Latin spīra ← Ancient Greek σπεῖρα (speîra) ← Proto-Indo-European *sper-yeh₂-
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The story

  1. Proto-Indo-European*sper-
  2. Proto-Indo-European*sper-yeh₂-
  3. Ancient Greekσπεῖρα (speîra)
  4. Latinspīra
  5. English todayspiro-

From Latin spīra + English -o-.

Etymology from Wiktionary, CC BY-SA 4.0.