Brink

Brink (?), n. [Dan. brink edge, verge; akin to Sw. brink declivity, hill, Icel. brekka; cf. LG. brink a grassy hill, W. bryn hill, bryncyn hillock.] The edge, margin, or border of a steep place, as of a precipice; a bank or edge, as of a river or pit; a verge; a border; as, the brink of a chasm. Also Fig. "The brink of vice." Bp. Porteus. "The brink of ruin." Burke.

The plashy brink of weedy lake.
Bryant.