Where does “Nintendo-duim” come from?

Nintendo-duim (Dutch) comes from Dutch duim, from Middle Dutch dume, from Old Dutch thūmo, from Proto-West Germanic þūmō, from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Nintendo-duim (Dutch): Nintendo thumb, a gaming-related form of repetitive strain injury affecting the thumb

Definitions

  1. Nintendo thumb, a gaming-related form of repetitive strain injury affecting the thumb

Ancestry of “Nintendo-duim”, step by step

Nintendo-duim traces back through two separate lines of ancestry.

via Dutch duim

StepLanguageWordMeaning
1Dutchduimthumb, the inner-most finger; inch; pintle
2Middle Dutchdume
3Old Dutchthūmo
4Proto-West Germanicþūmōthumb
5Proto-Germanicþūmôthumb
6Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
7Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via English Nintendo

StepLanguageWordMeaning
1EnglishNintendoA Nintendo Entertainment System, or other video...
2Japanese任天堂Luck of Heaven
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tūm-Every word from Proto-Germanic þūmô