Late 16th century; earliest use found in Arthur Hall (1539–1605), translator and politician. Originally from pup- + -sy. In later use probably independently from pup + -sy.
Definition of pupsie in US English:
pupsie
nounˈpʌpsi
rare
A puppy, a small dog.
Origin
Late 16th century; earliest use found in Arthur Hall (1539–1605), translator and politician. Originally from pup- + -sy. In later use probably independently from pup + -sy.