A primitive root; to whisper; by implication, to mumble a spell (as a magician) -- charmer, whisper (together).
H3907. lachash
[לָחַשׁ] verb whisper, charm (Late Hebrew id.; Aramaic לְחַשׁ ; Ethiopic ; whisper, see RSJPh xiv. 1885, 122, possibly originally serpent-charming); —
Pi`el Participle plural מְלַחֲשִׁים קוֺל Psalm 58:6 voice of whisperers (i.e. serpent-charmers; "" תֲבָרִים חוֺבֵר).
Hithpa`el whisper together, Imperfect יִתְלַחֲשׁוּ with עַל Psalm 41:8; Participle plural מִתְלַחֲשִׁים 2 Samuel 12:19.