Where does “tohtorikoulu” come from?
tohtorikoulu (Finnish) comes from Finnish tohtori, from Swedish doktor, from Latin doctor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.
tohtorikoulu (Finnish): graduate school
Ancestry of “tohtorikoulu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | tohtori | doctor; physician |
| 2 | Swedish | doktor | doctor; physician; doctor; person who has... |
| 3 | Latin | doctor | teacher, instructor; catechist |
| 4 | Latin | -tor | -er |
| 5 | Proto-Italic | -tōr | — |
| 6 | Proto-Indo-European | -tōr | Derives agent nouns from verbs, denoting someone... |
| 7 | Proto-Indo-European | -tor-s | — |