Where does “maalämpökaivo” come from?

maalämpökaivo (Finnish) comes from Finnish maalämpö, from Finnish lämpö, from Finnish -o, from Proto-Finnic -o, from Proto-Uralic -w.

maalämpökaivo (Finnish): geothermal well

Definitions

  1. geothermal well

Ancestry of “maalämpökaivo”, step by step

maalämpökaivo traces back through two separate lines of ancestry.

via Finnish maalämpö

StepLanguageWordMeaning
1Finnishmaalämpögeothermal heating
2Finnishlämpöwarmth, heat; heat; fever
3Finnish-oForms result or action nouns from verbs; Forms...
4Proto-Finnic-oForms action/result nouns from verbs
5Proto-Uralic-w—

via Finnish kaivo

StepLanguageWordMeaning
1Finnishkaivowell
2Proto-Finnickaivowell
3Proto-Finnickaivadakto dig up, to excavate
4Proto-Uralickajwa-dig
Every word from Proto-Uralic -w →Every word from Finnish -o →Every word from Proto-Finnic -o →