Etymology

chiasmatic

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Today it means: Of or relating to the optic chiasma. Full definition →

English chiasma ← New Latin chiasma ← Ancient Greek χῑ́ασμα (khī́asma)
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The story

  1. Ancient Greekχῖ (khî)
  2. Ancient Greekχῑᾰ́ζω (khīắzō)
  3. Ancient Greekχῑ́ασμα (khī́asma)
  4. New Latinchiasma
  5. Englishchiasma
  6. English todaychiasmatic

From chiasma + -tic.

Etymology from Wiktionary, CC BY-SA 4.0.