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 :
( ( ( ( ( ( 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 ) ) ) ) ) ) ) ) ) ) ) ) ) : )
(ROOT (NP (NP (NP (DT A) (NN Midwesterner)) (, ,) (NP (NNP Will) (NNP Hays)) (, ,) (NP (NP (NNP Jr.)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VP (VBZ is) (ADJP (JJ proud) (PP (IN of) (NP (NP (PRP$ his) (NN knowledge)) (PP (IN of) (NP (JJ post-Civil-War) (NN history))))))) (, ,) (VP (VBZ tells) (NP (PRP me)) (NP (NP (DT the) (JJ following) (NN origin)) (PP (IN of) (NP (NN shot))))) (, ,) (PP (IN as) (IN in) (NP (NP (NNS shotglass)) (, ,) (ADJP (JJ absent) (PP (IN from) (S (VP (VBG Gunning) (PP (IN for) (NP (DT the) (NNP English) (NNP Language)))))))))))))) (: :)))
Will Hays Jr. has an extensive knowledge of the etymology of words after the Civil War.
( ( Will ( Hays Jr. ) ) ( ( has ( ( an ( extensive knowledge ) ) ( of ( ( the etymology ) ( of ( words ( after ( the ( Civil War ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Will) (NNP Hays) (NNP Jr.)) (VP (VBZ has) (NP (NP (DT an) (JJ extensive) (NN knowledge)) (PP (IN of) (NP (NP (DT the) (NN etymology)) (PP (IN of) (NP (NP (NNS words)) (PP (IN after) (NP (DT the) (NNP Civil) (NNP War))))))))) (. .)))