Where does “nakka” come from?

nakka (Finnish) comes from Swedish nacke, from Old Swedish nakke, from Old Norse hnakki, from Proto-Germanic hnakkô, from Proto-Indo-European knog-, from Proto-Indo-European ken- — to arise, begin.

Ancestry of “nakka”, step by step

StepLanguageWordMeaning
1Swedishnackenape; the back of the neck; the back of the head
2Old Swedishnakkenape, back of the neck
3Old Norsehnakkinape of the neck
4Proto-Germanichnakkôthe back of the neck; nape
5Proto-Indo-Europeanknog-back of the head, nape, neck
6Proto-Indo-Europeanken-to arise, begin
Every word from Proto-Indo-European ken- →Every word from Proto-Indo-European knog- →Every word from Proto-Germanic hnakkô →