— brinkless , adj.
/bringk/ , n.
1. the edge or margin of a steep place or of land bordering water.
2. any extreme edge; verge.
3. a crucial or critical point, esp. of a situation or state beyond which success or catastrophe occurs: We were on the brink of war.
[ 1250-1300; ME brink brink, c. MLG brink edge, hillside, ON brekka slope, hill ]