Where does “fat-” come from?

fat- (Proto-Germanic) comes from Proto-Indo-European pēd-, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

Ancestry of “fat-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanpēd-foot
2Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

Words derived from “fat-”

Every word from Proto-Indo-European ped- →Every word from Proto-Indo-European pēd- →
fat- — Etymology, Origin & Word History | Etymology Explorer