hebrew #3913 - לָטַשׁ latash (to hammer)

Strong's Exhaustive Concordance

A primitive root; properly, to hammer out (an edge), i.e. To sharpen -- instructer, sharp(-en), whet.

Englishman's Concordance

Brown-Driver-Briggs

QalImperfectיִלְטוֺשׁJob 16:9; Psalm 7:13; Infinitive constructלֵלְטוֺשׁ1 Samuel 13:20; Participleלֹטֵשׁ; —

1hammer, only Participle=hammerer followed by כָּלתֹֿרֵשׁGenesis 4:22 (J).

2sharpen sword חֶרֶב (accusative) Psalm 7:13; compare 1 Samuel 13:20, object מַחֲרֶשֶׁת, אֵת, קַרְדֹּם, מַחֲרֵשָׁה; figurative עֵינַיִם לִי׳לJob 16:9 my foe whets his eye for me

Pu`alParticipleתַּעַר מְלֻטָּשׁPsalm 52:4a sharpened razor (in simile of evil tongue).

Englishman's Concordance (References)

Strong's Hebrew: 3913. לָטַשׁ (latash) — 5 Occurrences

Genesis 4:22
HEB:תּ֣וּבַל קַ֔יִן לֹטֵ֕שׁ כָּל־ חֹרֵ֥שׁ
NAS: to Tubal-cain, the forger of all
KJV: Tubalcain, an instructer of every artificer
INT: gave to Tubal-cain the forger of all artificer

1 Samuel 13:20
HEB:יִשְׂרָאֵ֖ל הַפְּלִשְׁתִּ֑ים לִ֠לְטוֹשׁ אִ֣ישׁ אֶת־
NAS: each to sharpen his plowshare,
KJV: to the Philistines, to sharpen every man
INT: Israel to the Philistines to sharpen each his share

Job 16:9
HEB:בְּשִׁנָּ֑יו צָרִ֓י ׀ יִלְט֖וֹשׁ עֵינָ֣יו לִֽי׃
NAS: My adversary glares at me.
KJV: mine enemy sharpeneth his eyes
INT: his teeth my adversary sharpeneth his eyes

Psalm 7:12
HEB:יָ֭שׁוּב חַרְבּ֣וֹ יִלְט֑וֹשׁ קַשְׁתּ֥וֹ דָ֝רַ֗ךְ
NAS: a man does not repent, He will sharpen His sword;
KJV: If he turn not, he will whet his sword;
INT: repent his sword will sharpen his bow has bent

Psalm 52:2
HEB:לְשׁוֹנֶ֑ךָ כְּתַ֥עַר מְ֝לֻטָּ֗שׁ עֹשֵׂ֥ה רְמִיָּֽה׃
NAS: destruction, Like a sharp razor,
KJV: mischiefs; like a sharp razor,
INT: your tongue razor A sharp worker of deceit