Lexical Definition

‎לָשַׁן‎ lâshan (law-shan') to slander H:V
a primitive root; properly, to lick; but used only as a denominative from ‎לָשׁוֹן‎

accuse, slander.

1) to use the tongue, slander
1a) (Poel) to slander
1b) (Piel) to slander
1c) (Hiphil) to accuse

See Greek: καταλαλέω · παραδίδωμι

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
תַּלְשֵׁ֣ן you slander Prov.30.10
מְלָשְׁנִ֬י slanders Ps.101.5

Brown-Driver-Briggs

[‎לָשַׁן‎] verb denominative use the tongue, only specifically, slander; —

Po`el Participle ‎מְלָו֯שְׁנִי בַּסֵּתֶד רֵעֵהוּ‎ Ps 101:5 (on form, compare Ges«GKC:90»§ 90, 3 Lgb. i. § 26). Hiph`il Imperfect 2 masculine singular jussive ‎׳‎‎אַלתַּֿלְשֵׁן עֶבֶד וגו‎ Prov 30:10.

Brown-Driver-Briggs References

Book Refs
Psalms 101:5
Proverbs 30:10