Where does “spere” come from?

spere (Old Frisian) comes from Proto-West Germanic *speru, from Proto-Germanic speru, from Proto-Indo-European sperH- — to kick.

Ancestry of “spere”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*speru—
2Proto-Germanicsperuspear
3Proto-Indo-EuropeansperH-to kick

Words derived from “spere”

Every word from Proto-Indo-European sperH- →Every word from Proto-Germanic speru →Every word from Proto-West Germanic *speru →
spere — Etymology, Origin & Word History | Etymology Explorer