Suzerain
Origin
From French suzerain, based on sus ("up, above") (< Latin sursum) with the ending of souverain (English sovereign).
Full definition of suzerain
Noun
suzerain
(plural suzerains)- A dominant nation or state which has control over the international affairs of a subservient state which has domestic autonomy.
- A feudal land-owner to whom peasants were forced to pledge allegiance.