一切經音義 70.292

70.292

封邑（甫逢反起土為界封爵也周禮四井為邑方二里也凡邑有宗庿先君之主曰都無曰社）。

Fengyi [fief and settlement] (fu-feng fan. Raising earth to form a boundary is feng, as in enfeoffment. The Rites of Zhou says: four wells form an yi, which is two li square. Any settlement with an ancestral temple housing the spirit tablets of former lords is called a du; without them, it is called an yi).