Where does “*spīku” come from?

*spīku (Proto-West Germanic) comes from Proto-Germanic spīkō, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

Ancestry of “*spīku”, step by step

StepLanguageWordMeaning
1Proto-Germanicspīkōstick, splinter, point
2Proto-Indo-Europeanspēy-to stretch; thrive; succeed

Words derived from “*spīku”

Every word from Proto-Indo-European spēy- →Every word from Proto-Germanic spīkō →
*spīku — Etymology, Origin & Word History | Etymology Explorer