Where does “tohtorinväitöskirja” come from?

tohtorinväitöskirja (Finnish) comes from Finnish tohtorinväitös, 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.

tohtorinväitöskirja (Finnish): doctoral thesis

Definitions

  1. doctoral thesis

Ancestry of “tohtorinväitöskirja”, step by step

tohtorinväitöskirja traces back through two separate lines of ancestry.

via Finnish tohtorinväitös

StepLanguageWordMeaning
1Finnishtohtorinväitösdoctoral defense
2Finnishtohtoridoctor; physician
3Swedishdoktordoctor; physician; doctor; person who has...
4Latindoctorteacher, instructor; catechist
5Latin-tor-er
6Proto-Italic-tōrForms agent nouns to verb stems
7Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
8Proto-Indo-European-tor-s

via Finnish kirja

StepLanguageWordMeaning
1Finnishkirjabook; quire
2Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Latin doctor