noun, masculine/eʃ.vi.naʒ/plural: échevinages
aldermancy, aldermanship (the function, office, or position of an alderman); aldermanate, aldermanity (collectively, the body of aldermen of a municipality); aldermanry (a territory administered by an alderman or aldermen)
Synonyms: échevinat
From Old French eschevinage [1219]. By surface analysis, échevin + -age.