Besor refers primarily to the Brook of Besor, a seasonal stream in the Negev south of Ziklag (1 Samuel 30:9-10, 21). The root meaning is 'cheerful, good news,' connecting to the verb basar (to bring good news, H1319). The brook served as a resting point for exhausted soldiers during David's pursuit of the Amalekites.
The Besor incident is theologically significant for its teaching on grace and sharing. The 200 men too exhausted to cross the brook still received a full share of the spoil when the 400 returned victorious — David established this as a statute (1 Samuel 30:24-25). This prefigures the gospel principle that all believers share equally in Christ's victory regardless of their strength. Even the weary and weak who remained behind receive the full inheritance. The root meaning (good news) connects the place to the gospel itself — bissoret (good news) comes from basar.