porch (n.) Look up porch at Dictionary.com
c. 1300, "covered entrance," from Old French porche "porch, vestibule," from Latin porticus "covered gallery, covered walk between columns, arcade, portico, porch," from porta "city gate, gate; door, entrance," from PIE root *per- (2) "to lead, pass over" (see port (n.1)). The Latin word was borrowed directly into Old English as portic.