que TACKON
-que = and (enclitic, translated before attached word); completes plerus/uter;
foeder.atis V 1 1 PRES ACTIVE IND 2 P
foedero, foederare, foederavi, foederatus V (1st) TRANS [XLXFO] veryrare
foederat.is VPAR 1 1 DAT P X PERF PASSIVE PPL
foederat.is VPAR 1 1 ABL P X PERF PASSIVE PPL
seal; ratify (an agreement); establish by treaty/league (L+S);
foederat.is ADJ 1 1 DAT P X POS
foederat.is ADJ 1 1 ABL P X POS
foederatus, foederata, foederatum ADJ [XLXCO]
allied; treaty bound to Rome); federated; leagued together, confederated (L+S);

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This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.