Etymology

algicide

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Today it means: A substance that kills, or inhibits the growth of, algae. Full definition →

Latin caedō ← Proto-Italic *kaidō ← Proto-Indo-European *kh₂éydeti
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The story

  1. Englishalgae
  2. Proto-Indo-European*kh₂eyd-
  3. Proto-Indo-European*kh₂éydeti
  4. Proto-Italic*kaidō
  5. Latincaedō
  6. English todayalgicide

From algae + -cide.

Etymology from Wiktionary, CC BY-SA 4.0.