Where does “napsusormi” come from?

napsusormi (Finnish) comes from Finnish sormi, from Proto-Finnic sormi, from Proto-Finno-Ugric sorme.

napsusormi (Finnish): trigger finger difficulty encountered in finger flexion or extension caused by the narrowing of the sheath that surrounds that finger's tendon

Definitions

  1. trigger finger difficulty encountered in finger flexion or extension caused by the narrowing of the sheath that surrounds that finger's tendon

Ancestry of “napsusormi”, step by step

napsusormi traces back through two separate lines of ancestry.

via Finnish sormi

StepLanguageWordMeaning
1Finnishsormifinger
2Proto-Finnicsormifinger
3Proto-Finno-Ugricsorme—

via Finnish napsua

StepLanguageWordMeaning
1Finnishnapsuato snap; produce a snapping sound; partitive...
2Finnish-uaForms stative or inchoative intransitive verbs...
3Proto-Finnic-üdäkForms mainly passive or anticausative verbs
Every word from Proto-Finno-Ugric sorme →Every word from Proto-Finnic sormi →Every word from Finnish sormi →