Where does “tikkusuora” come from?

tikkusuora (Finnish) comes from Finnish tikku, from Swedish sticka, from Czech -ka, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

tikkusuora (Finnish): very straight, straight as a die

Definitions

  1. very straight, straight as a die

Ancestry of “tikkusuora”, step by step

tikkusuora traces back through two separate lines of ancestry.

via Finnish tikku

StepLanguageWordMeaning
1Finnishtikkusplinter; sliver; chip
2Swedishstickaa splinter; a knitting needle; to knit
3Czech-kaAppended to words to create a feminine version of...
4Proto-Slavic-ъkaDenominal, forms diminutives; Deadjectival,...
5Proto-Indo-European-kosCreates deadjectival and desubstantival...

via Finnish suora

StepLanguageWordMeaning
1Finnishsuorastraight; straight, direct, truthful, frank;...
2Proto-Finnicsoorastraight
3Arabicسُورَةchapter of the Qur'an; sura
Every word from Proto-Indo-European -kosEvery word from Czech -kaEvery word from Proto-Slavic -ъka