05172 nachash {naw-khash'}
a primitive root; TWOT - 1348; v
AV - enchantment 4, divine 2, enchanter 1, indeed 1, certainly 1,
learn by experience 1, diligently observe 1; 11
1) to practice divination, divine, observe signs, learn by experience,
diligently observe, practice fortunetelling, take as an omen
1a) (Piel)
1a1) to practice divination
1a2) to observe the signs or omens