נַחַשׁnachash

divination, enchantment (Numbers 23:23; Numbers 24:1)

Pronunciation: nakh'-ash · Hebrew/Aramaic (Old Testament) · H5173

Same root

נָחַשׁnâchash · H5172properly, to hiss, i.e. whisper a (magic) spell; generally, to prognosticate

Where it appears

Appears 2 times in the Bible.

Numbers 23:23 No curse can touch Jacob; no magic has any power against Israel. For now it will be said of Jacob, ‘What wonders God has done for Israel!’
Numbers 24:1 By now Balaam realized that the Lord was determined to bless Israel, so he did not resort to divination as before. Instead, he turned and looked out toward the wilderness,

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).