Etymology

tonofibril

T1O1N1O1F4I1B3R1I1L1

Today it means: A structural fibril of tonofilaments found in the cytoplasm of epithelial cells Full definition →

English fibril ← Ancient Greek τόνος (tónos) ← Proto-Hellenic *tónos
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The story

  1. Proto-Indo-European*ten-
  2. Proto-Indo-European*tónos
  3. Proto-Hellenic*tónos
  4. Ancient Greekτόνος (tónos)
  5. Englishtono-
  6. Englishfibril
  7. English todaytonofibril

From tono- + fibril.

Etymology from Wiktionary, CC BY-SA 4.0.