出典:Wiktionary
From Middle English purlewe (“piece of land on the edge of a forest”), modification under the influence of Old French lieu (“place”) of porale, purale (“royal perambulation”), from Old French porale, from poraler (“to traverse”), from por- (“forth”) (from Latin prō- + aler, aller (“to go”).
purlieu (複数形 purlieus または purlieux)