Probably from G3700 (through the idea of sharpness of vision); a {snake} figuratively (as a type of sly cunning) an artful malicious {person} especially Satan: - serpent.
Perhaps from G3700 (through the idea of the shading or proximity to the organ of vision); the eye brow or {forehead} that {is} (figuratively) the brink of a precipice: - brow.
From G3793; to {mob} that {is} (by implication) to harass: - vex.
Verse
Matrix
Luk 4:29And rose up, and thrust him out of the city, and led him unto the browG3790 of the hill whereon their city was built, that they might cast him down headlong.