Strong's #5173: nachash (pronounced nakh'-ash)
from 5172; an incantation or augury:--enchantment.
Brown-Driver-Briggs Hebrew Lexicon:
ׁ
nachash
1) divination, enchantment
Part of Speech: noun masculine
Relation: from H5172
Usage:
This word is used 2 times:
Numbers 23:23: "Surely there is no enchantment against Jacob, neither is there any divination against Israel: according to this time"
Numbers 24:1: "he went not, as at other times, to seek for enchantments, but he set his face"