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

Definitions

  1. graduate school

Ancestry of “tohtorikoulu”, step by step

tohtorikoulu traces back through two separate lines of ancestry.

via Finnish tohtori

StepLanguageWordMeaning
1Finnishtohtoridoctor; physician
2Swedishdoktordoctor; physician; doctor; person who has...
3Latindoctorteacher, instructor; catechist
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s

via Finnish koulu

StepLanguageWordMeaning
1Finnishkouluschool
2LatinscholaLeisure time given to learning; schooltime,...
3Ancient Greekσχολήleisure, free time; rest; that in which leisure...
4Proto-Hellenicskʰolā́
5Proto-Indo-Europeansǵʰ-h₃-léh₂
6Proto-Indo-Europeanseǵʰ-to hold; to overpower
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Latin doctor