Lexical Definition

‎טוּחַ‎ ṭûwach (too'-akh) to overspread H:V
a primitive root

daub, overlay, plaister, smut.

1) to spread over, overlay, plaster, cover over, coat, besmear
1a) (Qal) to overspread, coat, overlay
1b) (Niphal) to be coated, be plastered
2) (Qal) to be besmeared

See Greek: ἐξαλείφω

Brown-Driver-Briggs

[‎טוּחַ‎] verb over-spread, over-lay, coat, besmear (Late Hebrew id.; compare Arabic re foeda contaminatus fuit, or contaminavit; camel smeared with tar); —

Qal Perfect 3 masculine singular ‎וְטָח‎ consecutive Lev 14:42 (on ‎טַח‎ Isa 44:18 see ‎טחח‎); 3 plural ‎טָחוּ‎ Exod 22:28* ‎טַחְתֶּם‎ Ezek 13:12; Ezek 13:14 Infinitive construct ‎לָטוּחַ‎ 1Chr 29:4 Participle plural ‎טָחִים‎ Ezek 13:10 + 2 t.; construct ‎טָחֵי‎ Ezek 13:11 only P, Ezekiel, Chronicles; — over-spread, coat (with accusative of house) with earth (clay, ‎עָפָר‎) Lev 14:42 over-lay (walls with gold and silver) with accusative of wall 1Chr 29:4 metaphor of coating over Jerusalem, under figure of a wall, with a superficial coating, to hide its real weakness Ezek 13:15 (accusative of wall), vEzek 13:12 with accusative of coating (‎טִיחַ‎); with ‎תָּפֵל‎ (q. v.) vEzek 13:11 c. 2 accusative vEzek 13:10 vEzek 13:14 vEzek 13:15 compare ‎תָּפֵל וּנְבִיאֶיהָ טָחוּ להם‎ Ezek 22:28 where suffix reference to oppressive nobles, i.e. the prophets 'whitewash' for them (their evil deeds). Niph`al Infinitive construct ‎הִטּוֺחַ‎ be coated (with ‎עפר‎) Lev 14:43 and, fully, ‎הִטֹּחַ אתהֿבית‎ Lev 14:48 (both P).

[‎טָחַח‎] verb be besmeared — only Qal Perfect 3 masculine singular ‎טַח מֵרְאוֺת עֵינֵיהֶם‎ Isa 44:18 their eyes have been besmeared so that they do not see, see Di Du, and on singular with subject plural Ges«GKC:145»§ 145, 7a; others regard ‎טַח‎ as metaplastic pointing for ‎טָח‎ from ‎טוח‎, see Sta§ 385d.

Brown-Driver-Briggs References

Book Refs
Exodus 22:28*
Leviticus 14:42 · 14:43 · 14:48
1 Chronicles 29:4
Isaiah 44:18
Ezekiel 13:10 · 13:11 · 13:12 · 13:14 · 13:15 · 22:28