Where does “Force” come from?

Force comes from Old Norse fors, from Proto-Germanic fursaz, from Proto-Indo-European pŕ̥sos, ultimately from the root pers-.

Ancestry of “Force”, step by step

Step	Language	Word	Meaning
1	Middle English	force	—
2	Old French	force	strength; might
3	Latin	fortia	nominative neuter plural of fortis; accusative...
4	Latin	fortis	strong, powerful; firm, resolute, steadfast,...
5	Old Latin	forctis	strong
6	Proto-Italic	forktis	strong, robust
7	Proto-Indo-European	bʰerǵʰ-	to rise; high, lofty; hill, mountain

Force — Etymology, Origin & Word History | Etymology Explorer