Where does “полутень” come from?
полутень (Russian) comes from Russian полу-, from Old East Slavic полъ, from Proto-Slavic polъ, from Proto-Indo-European (s)pelH- — to split off, separate; to chop, to separate.
полутень (Russian): penumbra
Ancestry of “полутень”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | полу- | semi-, demi-, half-; semi-, demi-, half- paired... |
| 2 | Old East Slavic | полъ | floor |
| 3 | Proto-Slavic | polъ | side, flank; half; member of a pair of options →... |
| 4 | Proto-Indo-European | (s)pelH- | to split off, separate; to chop, to separate |