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
Ancestry of “Knopfzelle”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | knopf | — |
| 2 | Middle High German | knopf | — |
| 3 | Old High German | knopf | — |
| 4 | Proto-Germanic | knuppô | knob; lump, clod |