Nuns’ rules and their analysis
Nuns’ Expiation (Pācittiya) 38
… at Sāvatthī in the Jeta Grove in Anāthapiṇḍika’s monastery. Now at that time nuns walked without a weapon on almstour outside (their own) region (when this was) agreed upon as dangerous, frightening. Bad men … see Bi-Pc.37.1. Instead of within (her own) region read outside (her own) region …” … this rule of training:
“Whatever nun should walk without a weapon outside (her own) region (when this is) agreed upon as dangerous, frightening, there is an offence of expiation.”
Outside (her own) region means: setting aside that country in which she lives, in another’s region.
Dangerous means: … see Bi-Pc.37.2 … if she is the first wrong-doer.