Where does “astigmatisme” come from?
astigmatisme (Catalan) comes from English astigmatism, from Ancient Greek στίγμα, from Ancient Greek στίζω, from Proto-Hellenic stiďďō, from Proto-Indo-European (s)teyg- — to be sharp; to sting.
Ancestry of “astigmatisme”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | astigmatism | A defect of a lens such that light rays coming... |
| 2 | Ancient Greek | στίγμα | A mark from a pointed instrument, often as a sign... |
| 3 | Ancient Greek | στίζω | I tattoo; I mark |
| 4 | Proto-Hellenic | stiďďō | — |
| 5 | Proto-Indo-European | (s)teyg- | to be sharp; to sting |