A person acting as a deputy or substitute for a legate.
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From pro- + legate, after classical Latin prō lēgātō on behalf of a legate.
Definition of pro-legate in US English:
pro-legate
noun(ˌ)prəʊˈlɛɡət
A person acting as a deputy or substitute for a legate.
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From pro- + legate, after classical Latin prō lēgātō on behalf of a legate.