Hi JIM,
I watched the show Innovation Nation with MO ROCCA. The thing that I noticed was where the word CABOOSE came from. CAB HOUSE. Then shortened to CABOOSE!!!! Cool show.
I'm afraid their etymology is mistaken. The word is a borrowing from Dutch, referring to a small structure on the deck of a ship, usually used for cooking. It was one of many nautical terms adopted by and adapted for railroading. The Dutch term is attested at least to the 17th century, possibly earlier.
They could have taken a leap too far extrapolating from the Low German “kabhuse”, meaning a wooden cabin on ship’s deck.
The Dutch word “kambuis” meant ship’s galley, which later became “caboose” in 1747, meaning ship’s cookhouse.
Disclaimer: At least the above is how understood the quick research I did.