Etymology

chromatid

C3H4R1O1M3A1T1I1D2

Today it means: After DNA replication, either of the two connected double-helix strands of a metaphase chromosome that separate during mitosis. Full definition →

Ancient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos
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The story

  1. Proto-Hellenic*kʰrṓwmə
  2. Ancient Greekχρῶμα (khrôma)
  3. Proto-Indo-European*weyd-
  4. Proto-Indo-European*wéydos
  5. Proto-Hellenic*wéidos
  6. Ancient Greekεἶδος (eîdos)
  7. English todaychromatid

From Ancient Greek χρῶμα (khrôma, “color”) + English -id.

Etymology from Wiktionary, CC BY-SA 4.0.