Where does “cepstral” come from?
cepstral (French) comes from French cepstre, 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.
cepstral (French): cepstral
Ancestry of “cepstral”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | cepstre | cepstrum |
| 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 |