Where does “footsoldier” come from?

footsoldier (English) comes from 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 “footsoldier”, step by step

footsoldier traces back through two separate lines of ancestry.

via English foot

StepLanguageWordMeaning
1EnglishfootA biological structure found in many animals that...
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 English soldier

StepLanguageWordMeaning
1EnglishsoldierA member of an army, of any rank; A private in...
2Middle EnglishsoudeourA soldier; a member of an organised army
3Old Frenchsoudier
4Medieval Latinsoldariussoldier; mercenary
5Late Latinsolidusa gold coin of the Roman Empire; type of coin;...
6Proto-Italicsoliðos
7Proto-Indo-Europeansolh₂-i-dʰ-o-sentire
8Proto-Indo-Europeansolh₂-whole
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pódsEvery word from Proto-Indo-European pṓds