The story
- Ancient Greekθίξις (thíxis)
- Proto-Indo-European*trep-
- Ancient Greekτρέπω (trépō)
- Ancient Greekτροπή (tropḗ)
- Ancient Greekτροπῐκός (tropĭkós)
- English todaythixotropic
From Ancient Greek θίξις (thíxis, “touch”) + English -tropic.
Etymology from Wiktionary, CC BY-SA 4.0.