Where does “vasarasormi” come from?

vasarasormi (Finnish) comes from Finnish vasara, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

vasarasormi (Finnish): mallet finger

Definitions

  1. mallet finger

Ancestry of “vasarasormi”, step by step

vasarasormi traces back through two separate lines of ancestry.

via Finnish vasara

StepLanguageWordMeaning
1Finnishvasarahammer; malleus, hammer
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood

via Finnish sormi

StepLanguageWordMeaning
1Finnishsormifinger
2Proto-Finnicsormifinger
3Proto-Finno-Ugricsorme—
Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →