Mātikāvibhaṅga

Vinayapiṭaka · Bhikkhu Vibhaṅga (2) · Vol. 2 · Section 28

[28] An open space (ajjhokāsa) with a single precinct (ekūpacāra) or with separate precincts (nānūpacāra): in a wilderness without villages, the area within seven abbhantaras all around constitutes a single precinct; beyond that, it constitutes separate precincts.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.