Where does “footpoint” come from?

footpoint (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.

footpoint (English): The region at which tubes of magnetic field lines...

Definitions

  1. The region at which tubes of magnetic field lines...

Ancestry of “footpoint”, step by step

footpoint 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 point

StepLanguageWordMeaning
1EnglishpointA discrete division of something; A sharp...
2Middle Englishpoint
3Old Frenchpointa sting; a prick; moment; time; dot
4Latinpūnctumpoint
5Latinpunctuspricked, punctured, pierced, having been pricked;...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pódsEvery word from Proto-Indo-European pṓds