governor (n.) Look up governor at Dictionary.com
c.1300, gouernour, "personal keeper, protector, guide," from Old French governeor (11c., Modern French gouverneur) and directly from Latin gubernatorem (nominative gubernator) "director, ruler, governor," originally "steersman, pilot" (see govern). Meaning "subordinate ruler; head of a province, etc." is from late 14c. The adjective gubernatorial remembers the Latin form.