Where does “johtosuora” come from?

johtosuora (Finnish) comes from Finnish suora, from Proto-Finnic soora, from Arabic سُورَة — chapter of the Qur'an; sura.

johtosuora (Finnish): (straight) directrix

Definitions

  1. (straight) directrix

Ancestry of “johtosuora”, step by step

johtosuora traces back through two separate lines of ancestry.

via Finnish suora

StepLanguageWordMeaning
1Finnishsuorastraight; straight, direct, truthful, frank;...
2Proto-Finnicsoorastraight
3Arabicسُورَةchapter of the Qur'an; sura

via Finnish johto

StepLanguageWordMeaning
1Finnishjohtocord, line, conductor; administration,...
2Finnishjohtaato lead, take, show someone the way to; to guide,...
3Proto-Finnicjohtadakto lead, to guide
Every word from Arabic سُورَةEvery word from Proto-Finnic sooraEvery word from Finnish suora