foederatus

From Latin foederātus (“allied”), from foedus (“league, agreement”).

• IPA^(key): /fiːdɛˈɹɑːtəs/

foederatus (plural foederati)

1. A confederate. One of the tribes bound by treaty, who were neither Roman colonies nor had they been granted Roman citizenship but were expected to provide a contingent of fighting men when trouble arose.
   • 2011, Norman Davies, Vanished Kingdoms, Penguin, published 2012, page 23:

     In the middle stage, the Reges Gothorum saw themselves as something better than mere foederati.

Perfect passive participle of foederō.

foederātus (feminine foederāta, neuter foederātum); first/second-declension participle

1. sealed, ratified (of an agreement or treaty)

First/second-declension adjective.

• “foederatus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "foederatus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)