Latin genitive form of 'foedus' meaning 'of the covenant' or 'of the treaty'.
Latin genitive singular form of 'foedus' (covenant, treaty, league), used in legal and diplomatic documents to indicate possession or relationship to a treaty.
This Latin genitive appears in countless Roman legal documents and treaties—when you see 'foederis' in diplomatic texts, you're looking at the actual language Rome used to bind itself to other powers.
Complete word intelligence in one call. Free tier — 50 lookups/day.