Where does “piikikkyys” come from?

piikikkyys (Finnish) comes from Finnish piikikäs, from Finnish piikki, from Swedish spik, from Old Norse spíkr, from Proto-Germanic spīkaz, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

piikikkyys (Finnish): spikiness

Definitions

  1. spikiness

Ancestry of “piikikkyys”, step by step

StepLanguageWordMeaning
1Finnishpiikikässpiky, thorny, spiked
2Finnishpiikkispike; Short for piikkikenkä; tine, prong
3Swedishspiknail; spike-shaped metal fastener; an fail-safe...
4Old Norsespíkr—
5Proto-Germanicspīkaz—
6Proto-Indo-Europeanspēy-to stretch; thrive; succeed
Every word from Proto-Indo-European spēy- →Every word from Proto-Germanic spīkaz →Every word from Old Norse spíkr →