Where does “purkinaukaisin” come from?

purkinaukaisin (Finnish) comes from Finnish aukaisin, from Finnish aukaista, from Finnish auki, from Finnish aukea, from Finnish -ea, from Proto-Finnic -eda, from Proto-Uralic -eta — A generic adjective marker, attached to roots.

Ancestry of “purkinaukaisin”, step by step

purkinaukaisin traces back through two separate lines of ancestry.

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

via Finnish purkki

StepLanguageWordMeaning
1Finnishpurkkican; jar; canister
2Swedishburkpot, can, jar; an inflexible vessel, usually with...
3Old Swedishbudhker
4Old Norsebuðkr
Every word from Proto-Uralic -etaEvery word from Finnish -eaEvery word from Finnish aukea