Where does “korkinaukaisin” come from?

korkinaukaisin (Finnish) comes from Finnish korkki, from Swedish kork, from German Kork, from Dutch kurk, from Middle Dutch curc, from Spanish corcho, from Latin cortex, from Proto-Indo-European *(s)kort-ek-s.

Ancestry of “korkinaukaisin”, step by step

korkinaukaisin traces back through two separate lines of ancestry.

via Finnish korkki

StepLanguageWordMeaning
1Finnishkorkkicork; cap, top, lip
2Swedishkorkcork; bark from the cork oak; cork; bottle...
3GermanKorkcork
4Dutchkurkcork
5Middle Dutchcurccork
6Spanishcorchocork
7LatincortexThe bark of a tree; the bark of a cork tree;...
8Proto-Indo-European*(s)kort-ek-s

via Finnish aukaisin

StepLanguageWordMeaning
1Finnishaukaisinopener; First-person singular indicative past...
2FinnishaukaistaTo open
3Finnishaukiopen; untied, unbuttoned; up in the air, open
4Finnishaukeaopen; clearing; Indicative present connegative...
5Finnish-eaA suffix for making adjectives from some nouns...
6Proto-Finnic-edaA generic adjective marker
7Proto-Uralic-etaA generic adjective marker, attached to roots
Every word from Proto-Indo-European *(s)kort-ek-sEvery word from Latin cortexEvery word from Spanish corcho