Where does “keihästäminen” come from?

keihästäminen (Finnish) comes from Finnish keihästää, from Finnish keihäs, from Proto-Finnic kaihas, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “keihästäminen”, step by step

StepLanguageWordMeaning
1FinnishkeihästääTo spear, impale
2Finnishkeihässpear; javelin; pike
3Proto-Finnickaihasspear, javelin
4Proto-Germanicgaizazspear, pike, javelin
5Proto-Indo-Europeanǵʰoysósthrowing spear
6Proto-Indo-Europeanǵʰey-winter
Every word from Proto-Indo-European ǵʰey- →Every word from Proto-Indo-European ǵʰoysós →Every word from Proto-Germanic gaizaz →