Where does “keytop” come from?

keytop (English) comes from English top, from Middle English top, from Old English topp, from Proto-West Germanic *topp, from Proto-Germanic tuppaz, from Proto-Indo-European dumb- — tail, rod, staff, pole, penis; tail, rod, staff,...

keytop (English): Synonym of keycap

Definitions

  1. Synonym of keycap

Ancestry of “keytop”, step by step

keytop traces back through two separate lines of ancestry.

via English top

StepLanguageWordMeaning
1EnglishtopThe highest or uppermost part of something; A...
2Middle EnglishtopThe summit or top of something, especially a...
3Old Englishtopptop, summit (of something)
4Proto-West Germanic*topptop, summit, crest
5Proto-Germanictuppaztuft, plait; top, summit
6Proto-Indo-Europeandumb-tail, rod, staff, pole, penis; tail, rod, staff,...

via English key

StepLanguageWordMeaning
1EnglishkeyAn object designed to open and close a lock; An...
2EnglishcayA small, low island largely made of sand or coral
3SpanishCayokey island
4Taínocayosmall island
Every word from Proto-Indo-European dumb-Every word from Proto-Germanic tuppazEvery word from Proto-West Germanic *topp