Where does “Knopfzelle” come from?

Knopfzelle (German) comes from German knopf, from Middle High German knopf, from Old High German knopf, from Proto-Germanic knuppô — knob; lump, clod.

Knopfzelle (German): button cell, coin cell

Definitions

  1. button cell, coin cell

Ancestry of “Knopfzelle”, step by step

Knopfzelle traces back through two separate lines of ancestry.

via German knopf

StepLanguageWordMeaning
1Germanknopfbutton fastener
2Middle High Germanknopf—
3Old High Germanknopf—
4Proto-Germanicknuppôknob; lump, clod

via German Zelle

StepLanguageWordMeaning
1GermanZellecell
2Old High Germanzellachamber
3Latincellaa small room, a hut, storeroom; a barn, granary;...
Every word from Proto-Germanic knuppô →Every word from Old High German knopf →Every word from Middle High German knopf →