Where does “light-foot” come from?

light-foot (Middle English) comes from Middle English foot, from Middle English fot, from Old English fōt, from Proto-West Germanic fōt, from Proto-Germanic fōts, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

Ancestry of “light-foot”, step by step

light-foot traces back through two separate lines of ancestry.

via Middle English foot

StepLanguageWordMeaning
1Middle EnglishfootAlternative form of fot; Alternative form of...
2Middle Englishfotfoot; The bottom, lower part or foundation of...
3Old Englishfōtfoot
4Proto-West Germanicfōtfoot
5Proto-Germanicfōtsfoot
6Proto-Indo-Europeanpṓdsfoot
7Proto-Indo-Europeanpódsfoot
8Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Middle English light

StepLanguageWordMeaning
1Middle EnglishlightThe radiation which allows for vision by...
2Old Englishlēohtluminous, bright, light, clear, resplendent,...
3Proto-West Germanicleuhtlight, bright; light
4Proto-Germanicleuhtąlight
5Proto-Indo-Europeanlewktom
6Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pódsEvery word from Proto-Indo-European pṓds