Mid 19th century; earliest use found in The Southern Literary Messenger. Alteration of mixture, probably after -ery and -ry in nouns denoting a state or condition.
Definition of mixtry in US English:
mixtry
nounˈmɪkstri
Southern, US, Regional
A mixture.
Origin
Mid 19th century; earliest use found in The Southern Literary Messenger. Alteration of mixture, probably after -ery and -ry in nouns denoting a state or condition.