From the same as cheret; a horoscopist (as drawing magical lines or circles) -- magician.
see HEBREW cheret
[חַרְטֹם] noun masculineExodus 7:22 engraver, writer, only in derived sense of one possessed of occult knowledge, diviner, astrologer, magician (probably = ם + חֶרֶט, see Di Ol§ 216, 5 Sta§§ 295, 327 a) **the fact that the word is always applied to Egyptian magicians, except Daniel 2:2 (late), suggests Egyptian origin, but no agreement among Egyptologists: HarkavyJas., 1870, Mars-Avril, 169 proposes χαρ, speak + tum, hidden = teller of hidden things; WiedSamml 44 thinks Hebrew word perhaps imitating an Egyptian cher-‰em-t, he who holds the book; FC Cook'Speaker's' Comm. i. 279 proposes cher-tum = bearer of sacred words. — only plural absolute חַרְטֻמִּים Genesis 41:24 4t.; חַרְטֻמִּם Exodus 8:15; 9:11; construct חַרְטֻמֵּי Genesis 41:8 2t.; —
2 magicians of Babylon Daniel 2:2 ("" כַּשְׂדִּים מְכַשְּׁפִים, אַשָּׁפִים,).
II. חרט (√ of following; relation to I. חרט obscure).