Where does “pakkasenkesto” come from?

pakkasenkesto (Finnish) comes from Finnish kesto, from Finnish kestää, from Proto-Finnic kestädäk — to last, endure.

Ancestry of “pakkasenkesto”, step by step

pakkasenkesto traces back through two separate lines of ancestry.

via Finnish kesto

StepLanguageWordMeaning
1Finnishkestodurability; duration; permanent, durable
2Finnishkestääto cope, stand, withstand, endure, hold up; to...
3Proto-Finnickestädäkto last, endure

via Finnish pakkanen

StepLanguageWordMeaning
1Finnishpakkanenfrost, sub-zero temperature of ambient air; in...
2Proto-Finnicpakkainenfrost
Every word from Proto-Finnic kestädäkEvery word from Finnish kestääEvery word from Finnish kesto