Where does “thumbpad” come from?

thumbpad (English) comes from English pad, from Dutch pad, from Middle Dutch pat, from Old Dutch path, from Proto-West Germanic paþ, from Proto-Germanic paþaz, from Proto-Iranian pántaHh, from Proto-Indo-Iranian pántaHs — to pass; path.

thumbpad (English): A keyboard that can be operated using only the...

Definitions

  1. A keyboard that can be operated using only the...

Ancestry of “thumbpad”, step by step

thumbpad traces back through two separate lines of ancestry.

via English pad

StepLanguageWordMeaning
1EnglishpadA flattened mass of anything soft, to sit or lie...
2Dutchpadpath; toad; The slot in the frame that accepts...
3Middle Dutchpat
4Old Dutchpath
5Proto-West Germanicpaþpath
6Proto-Germanicpaþazpath
7Proto-IranianpántaHh
8Proto-Indo-IranianpántaHspath
9Proto-Indo-Europeanpent-to pass; path

via English thumb

StepLanguageWordMeaning
1EnglishthumbThe short thick digit of the hand that for humans...
2Middle Englishþombethumb; thumb-length; big toe
3Old Englishþūmathumb
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
Every word from Proto-Indo-European pent-Every word from Proto-Indo-Iranian pántaHsEvery word from Proto-Iranian pántaHh