The story
- Ancient Greekχῖ (khî)
- Ancient Greekχῑᾰ́ζω (khīắzō)
- Ancient Greekχιασμός (khiasmós)
- Latinchiasmu
- English todaychiasmus
Learned borrowing from Latin chiasmus, borrowed from Ancient Greek χιασμός (khiasmós), from χῑᾰ́ζω (khīắzō, “to mark with an X”) + -μός (-mós).
Etymology from Wiktionary, CC BY-SA 4.0.