Where does “спектральный” come from?
спектральный (Russian) comes from French spectral, from French spectre, from Latin spectrum, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti — to see, to look, to observe.
спектральный (Russian): spectral
Ancestry of “спектральный”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | spectral | spectral |
| 2 | French | spectre | ghost, specter; spectrum |
| 3 | Latin | spectrum | appearance, image; apparition, specter |
| 4 | Ancient Greek | σκοπέω | I look, look at, behold; I examine, inspect; 413... |
| 5 | Ancient Greek | σκοπός | watcher, lookout; protector, guardian; spy, scout |
| 6 | Ancient Greek | σκέπτομαι | I look at, examine; I examine, consider, think |
| 7 | Proto-Hellenic | sképťomai | to look at |
| 8 | Proto-Indo-European | spéḱyeti | to be looking at, to keep looking at |
| 9 | Proto-Indo-European | speḱ- | to see, to look, to observe |