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
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Germanic | spīkō | stick, splinter, point |
| 2 | Proto-Indo-European | spēy- | to stretch; thrive; succeed |