Where does “tommelfinger” come from?

tommelfinger (Danish) comes from Danish tommel, from Old Norse þumall, from Proto-Germanic þūmilaz, from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

tommelfinger (Danish): thumb

Definitions

  1. thumb

Ancestry of “tommelfinger”, step by step

tommelfinger traces back through two separate lines of ancestry.

via Danish tommel

StepLanguageWordMeaning
1Danishtommela thumb
2Old Norseþumallthumb
3Proto-Germanicþūmilazthumb-covering; thumb-sheath
4Proto-Germanicþūmôthumb
5Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
6Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via Danish finger

StepLanguageWordMeaning
1Danishfingerfinger; imperative of fingere
2Old Norsefingrfinger
3Proto-Germanicfingrazfinger
4Proto-Indo-Europeanpenkʷrós—

Words derived from “tommelfinger”

Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tūm- →Every word from Proto-Germanic þūmô →
tommelfinger — Etymology, Origin & Word History | Etymology Explorer