Genesis 49:17 in the World English Bible
Dan will be a serpent on the trail, an adder in the path, that bites the horse’s heels, so that his rider falls backward.
Context
16 Dan shall judge his people, as one of the tribes of Israel.
17 Dan shall be a serpent by the way, an adder in the path, that biteth the horse heels, so that his rider shall fall backward.
18 I have waited for thy salvation, O LORD.