Where does “spec” come from?

spec (Middle Dutch) comes from Old Dutch spek, from Proto-West Germanic *spik, from Proto-Germanic spiką, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

Ancestry of “spec”, step by step

StepLanguageWordMeaning
1Old Dutchspek
2Proto-West Germanic*spikbacon
3Proto-Germanicspikąbacon
4Proto-Indo-Europeanspēy-to stretch; thrive; succeed

Words derived from “spec

Every word from Proto-Indo-European spēy-