Where does “Schwellenpflug” come from?

Schwellenpflug (German) comes from German Pflug, from Middle High German pfluoc, from Old High German pfluog, from Old Frisian plōg, from Proto-Germanic plōgaz, from Proto-Celtic ɸlowyos, from Proto-Indo-European plówyos, from Proto-Indo-European plew- — to fly, flow, run.

Schwellenpflug (German): railroad plow

Definitions

  1. railroad plow

Ancestry of “Schwellenpflug”, step by step

Schwellenpflug traces back through two separate lines of ancestry.

via German Pflug

StepLanguageWordMeaning
1GermanPflugplough, plow
2Middle High Germanpfluoc
3Old High Germanpfluoglivelihood
4Old Frisianplōgtroop, common interest
5Proto-Germanicplōgazplough
6Proto-Celticɸlowyosrudder
7Proto-Indo-Europeanplówyosship
8Proto-Indo-Europeanplew-to fly, flow, run

via German Schwelle

StepLanguageWordMeaning
1GermanSchwellethreshold; railroad tie, railway sleeper
2Middle High Germanswelle
3Old High Germanswelli
4Proto-Germanicsulībalk, bar, threshold, sill
5Proto-Indo-Europeansēl-to calm, quiet, be favourable
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plówyosEvery word from Proto-Celtic ɸlowyos