Abbott-Smith Manual Greek Lexicon
ψιθυρισμός (G5587)
1 † ψιθυρισμός , -οῦ, ὁ ( ψιθυρίζω , to whisper), [in LXX: Ec 10:11 ( לַחַשׁ ) * ;] a whispering ; of secret slander, II Co 12:20 (Plut.); of a murmured enchantment, Ec, l.c. †
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain