Early 19th century; earliest use found in Thomas Jefferson (1743–1826), revolutionary politician and president of the United States of America. From roof + -let.
Definition of rooflet in US English:
rooflet
nounˈruːflɪt
A small roof or covering.
Origin
Early 19th century; earliest use found in Thomas Jefferson (1743–1826), revolutionary politician and president of the United States of America. From roof + -let.