Take the following as truth: A Midwesterner, Will Hays, Jr., who is proud of his knowledge of post-Civil-War history, tells me the following origin of shot , as in shotglass , absent from  Gunning for the English Language :
Then the following statement: "Will Hays Jr. has an extensive knowledge of the etymology of words after the Civil War." is true, false, or inconclusive?
Answer: Inconclusive