From an unused root meaning to smear; plaster (as gummy) or slime; (figuratively) frivolity -- foolish things, unsavoury, untempered.
Englishman's Concordance
1) foolish, insipid (adjective) 2) (BDB) tasteless, unseasoned (adjective) 3) whitewash (noun masculine) 2a) meaning uncertain Part of Speech: see above in Definition A Related Word by BDB/Strong’s Number: from an unused root meaning to smear Same Word by TWOT Number: 2534a, 2535a
Brown-Driver-Briggs
I. תָּפֵלadjectivetasteless, unseasoned; — absolute ׳ת, as substantive Job 6:6; figurative of unsatisfying prophecies Lamentations 2:14 ( + שָׁוְא).
II. תָּפֵלnoun [masculine]whitewash; — applied to wall, in Ezekiel's vision Ezekiel 13:10,11,14,15; figurative of false prophet Ezekiel 22:28.
Job 6:6 HEB: הֲיֵאָכֵ֣ל תָּ֭פֵל מִבְּלִי־ מֶ֑לַח NAS:Can something tasteless be eaten KJV:Can that which is unsavoury be eaten INT: be eaten something without salt
Lamentations 2:14 HEB:לָךְ֙ שָׁ֣וְא וְתָפֵ֔ל וְלֹֽא־ גִלּ֥וּ NAS: for you FALSE and foolish [visions]; And they have not exposed KJV: vain and foolish things for thee: and they have not discovered INT: have seen false. and foolish have not exposed
Ezekiel 13:10 HEB:טָחִ֥ים אֹת֖וֹ תָּפֵֽל׃ NAS: they plaster it over with whitewash; KJV: others daubed it with untempered [morter]: INT: behold plaster whitewash
Ezekiel 13:11 HEB:אֶל־ טָחֵ֥י תָפֵ֖ל וְיִפֹּ֑ל הָיָ֣ה ׀ NAS: those who plaster [it] over with whitewash, that it will fall. KJV: unto them which daub [it] with untempered [morter], that it shall fall: INT: about plaster whitewash will fall will come
Ezekiel 13:14 HEB:אֲשֶׁר־ טַחְתֶּ֥ם תָּפֵ֛ל וְהִגַּעְתִּ֥יהוּ אֶל־ NAS: you plastered over with whitewash and bring it down KJV: that ye have daubed with untempered [morter], and bring INT: which plastered whitewash and bring to
Ezekiel 13:15 HEB:וּבַטָּחִ֥ים אֹת֖וֹ תָּפֵ֑ל וְאֹמַ֤ר לָכֶם֙ NAS: it over with whitewash; and I will say KJV: and upon them that have daubed it with untempered [morter], and will say INT: the wall have plastered whitewash will say is gone
Ezekiel 22:28 HEB:טָח֤וּ לָהֶם֙ תָּפֵ֔ל חֹזִ֣ים שָׁ֔וְא NAS: have smeared whitewash for them, seeing KJV: have daubed them with untempered [morter], seeing INT: her prophets have smeared whitewash seeing vanity
