Where does “skiascope” come from?
skiascope (English) comes from Ancient Greek σκιά, from Proto-Indo-European (s)ḱeh₃ih₂, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.
skiascope (English): A retinoscope
Ancestry of “skiascope”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | σκιά | shadow; shade |
| 2 | Proto-Indo-European | (s)ḱeh₃ih₂ | shadow, shade |
| 3 | Proto-Indo-European | (s)ḱeh₃- | darkness, shadow |