Where does “brakepipe” come from?

brakepipe (English) comes from English pipe, from Middle English pīpe, from Middle English pipen, from Old English pīpian, from Proto-West Germanic pīpan, from Proto-Germanic pīpaną, from Latin pipo — I pip, peep.

brakepipe (English): A continuous pipe or hose filled with high-pressure air and running the length of a train, used to recharge the train's brake reservoirs with compressed air and to control the train's air brakes through changes in its internal air pressure

Definitions

  1. A continuous pipe or hose filled with high-pressure air and running the length of a train, used to recharge the train's brake reservoirs with compressed air and to control the train's air brakes through changes in its internal air pressure

Ancestry of “brakepipe”, step by step

brakepipe traces back through two separate lines of ancestry.

via English pipe

StepLanguageWordMeaning
1EnglishpipeMeanings relating to a wind instrument; Meanings...
2Middle EnglishpīpeA pipe; a piece of tubing used as a channel (often for fluids)
3Middle EnglishpipenTo use a pipe or similar musical instrument; to...
4Old Englishpīpianto pipe
5Proto-West Germanicpīpanto peep, to chirp, to squeak
6Proto-GermanicpīpanąTo chirp or pipe like a bird or rodent; To talk...
7LatinpipoI pip, peep

via English brake

StepLanguageWordMeaning
1EnglishbrakeA fern; bracken; A thicket, or an area overgrown...
2Middle Low Germanbrakestump, branch; nose ring, curb, flax brake
3Proto-Germanic*brekan
4Proto-Germanicbrekanąto break
5Proto-Indo-Europeanbʰrēǵ-to shine, shimmer
Every word from Latin pipo