näppäinpuhelin (Finnish) comes from Finnish näppäin, from Finnish näpätä, from Old Swedish nappa, from Old Norse hnappa, from Proto-Germanic hnappōną, from Proto-Indo-European knobʰnéh₂-.
näppäinpuhelin (Finnish): push-button telephone
Definitions
push-button telephone
Ancestry of “näppäinpuhelin”, step by step
näppäinpuhelin traces back through two separate lines of ancestry.