Where does “yardmaster” come from?

yardmaster (English) comes from English Yard, from English milliard, from French milliard, from French million, from Middle French million, from Old French millon, from Italian milione, from Italian mille.

yardmaster (English): A railway employee who is in charge of a railway...

Definitions

  1. A railway employee who is in charge of a railway...

Ancestry of “yardmaster”, step by step

yardmaster traces back through two separate lines of ancestry.

via English Yard

StepLanguageWordMeaning
1EnglishYardScotland Yard or New Scotland Yard
2Englishmilliard10, a thousand million
3FrenchmilliardA milliard
4Frenchmillionmillion, 10
5Middle Frenchmillionmillion, 10
6Old Frenchmillon—
7Italianmilionemillion
8Italianmillethousand
9LatinMīllethousand; 1000
10Proto-Italicsmīɣeslīthousand
11Proto-Indo-Europeansmih₂ǵʰéslih₂—

via English Master

StepLanguageWordMeaning
1EnglishMasterPrepended to a boy's name or surname as a form...
2EnglishMast—
3Frenchmassea paste, a dough; large amount or quantity of...
4Old Frenchmacemace weapon
5Vulgar Latinmattia—
6LatinmateolaThe meaning of this term is uncertain....
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos—
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós—
11Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European smih₂ǵʰéslih₂ →Every word from Proto-Italic smīɣeslī →Every word from Latin Mīlle →