A primitive root; properly, to lick; but used only as a denominative from lashown; to wag the tongue, i.e. To calumniate -- accuse, slander.
see HEBREW lashown
H3960. lashan
[לָשַׁן] verb denominative use the tongue, only specifically, slander; —
Po`el Participle רֵעֵהוּ בַּסֵּתֶד מְלָו֯שְׁנִי Psalm 101:5 (on form, compare Ges§ 90, 3 KöLgb. i. § 26).
Hiph`il Imperfect2masculine singular jussive וגו עֶבֶד ׳אַלתַּֿלְשֵׁן Proverbs 30:10.