First element from Vulgar Latin*patta(“paw, foot”), from Frankish*patta(“paw, sole of the foot”), from Proto-Germanic*pat-, *paþa-(“to walk, tread, go, step”), of uncertain origin and relation. Possibly from Proto-Indo-European*(s)pent-, *(s)pat-(“path; to walk”), a variant of Proto-Indo-European*pent-, *pat-(“path; to go”). Cognate with Dutchpad, patte(“paw”), Low Germanpedden(“to step, tread”); second element unknown.