Where does “светонепроницаемый” come from?
светонепроницаемый (Russian) comes from Russian свет, from Old East Slavic свѣтъ, from Proto-Slavic světъ, from Proto-Balto-Slavic śwaitas, from Proto-Indo-European ḱweyt- — to shine.
светонепроницаемый (Russian): lightproof, light-tight
Definitions
- lightproof, light-tight
Ancestry of “светонепроницаемый”, step by step
светонепроницаемый traces back through two separate lines of ancestry.
via Russian свет
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | свет | light; day; radiance |
| 2 | Old East Slavic | свѣтъ | world; society |
| 3 | Proto-Slavic | světъ | light; world |
| 4 | Proto-Balto-Slavic | śwaitas | — |
| 5 | Proto-Indo-European | ḱweyt- | to shine |
via Russian непроница́емый
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | непроница́емый | impenetrable, impervious, impermeable, proof, tight |