Where does “rajakerros” come from?
rajakerros (Finnish) comes from Finnish raja, from Old East Slavic краи, from Proto-Slavic krajь, from Proto-Slavic krojiti, from Proto-Balto-Slavic krájīˀtei, from Proto-Indo-European kroyh₁-eye-ti, from Proto-Indo-European kroyh₁-, from Proto-Indo-European kroh₁y- — to sift, to separate.
rajakerros (Finnish): boundary layer, interface layer
Definitions
- boundary layer, interface layer
Ancestry of “rajakerros”, step by step
rajakerros traces back through two separate lines of ancestry.
via Finnish raja
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Finnish | raja | border, boundary, limit, line line or frontier area separating political or geographical regions |
| 2 | Old East Slavic | краи | edge; land, country |
| 3 | Proto-Slavic | krajь | edge, end |
| 4 | Proto-Slavic | krojiti | to cut |
| 5 | Proto-Balto-Slavic | krájīˀtei | — |
| 6 | Proto-Indo-European | kroyh₁-eye-ti | — |
| 7 | Proto-Indo-European | kroyh₁- | — |
| 8 | Proto-Indo-European | kroh₁y- | — |
| 9 | Proto-Indo-European | kreh₁y- | to sift, to separate |
via Finnish kerros
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Finnish | kerros | floor, storey; layer; Second-person singular... |
| 2 | Finnish | kerrata | To repeat or reread |
| 3 | Finnish | kerta | time, occasion; time; times; also once, when the... |
| 4 | Proto-Finnic | kerta | time |
| 5 | Proto-Indo-European | kert- | times; to weave, twist together; time |
| 6 | Proto-Turkic | *keŕ- | to travel, tour |