Where does “spor-” come from?

spor- (Proto-Indo-European) comes from Proto-Indo-European sper- — to fidget, twitch; to push; to be quick; to...

Ancestry of “spor-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	sper-	to fidget, twitch; to push; to be quick; to...

spor- — Etymology, Origin & Word History | Etymology Explorer