Where does “sortumakaivo” come from?

sortumakaivo (Finnish) comes from Finnish sortua, from Ingrian -ua, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

sortumakaivo (Finnish): sinkhole hole formed in soluble rock

Definitions

  1. sinkhole hole formed in soluble rock

Ancestry of “sortumakaivo”, step by step

sortumakaivo traces back through two separate lines of ancestry.

via Finnish sortua

StepLanguageWordMeaning
1Finnishsortuato crumble, fall, collapse, cave in
2Ingrian-uaUsed to form inchoative verbs
3Finnish-ttääFront vowel variant of -ttaa
4Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
5Proto-Uralic-kta-

via Finnish kaivo

StepLanguageWordMeaning
1Finnishkaivowell
2Proto-Finnickaivowell
3Proto-Finnic-oForms action/result nouns from verbs
4Proto-Uralic-w
Every word from Proto-Uralic -kta-
sortumakaivo — Etymology, Origin & Word History | Etymology Explorer