brink
Cross references: 1. border brink \'brink\ n [ME, prob. of Scand origin; akin to ON brekka slope; akin to L front-)X, frons forehead 1: EDGE, BORDER; esp : the very edge at the top of a st eep place 2: a bank esp. of a river 3: the point of onset : VERGE {~ of war}