3155. maten -- in vain, to no purpose
... Accusative case of a derivative of the base of massaomai (through the idea of tentative
manipulation, ie Unsuccessful search, or else of punishment); folly, ie ...
/greek/3155.htm - 6k1 Thessalonians 4:6
That no man go beyond and defraud his brother in any matter: because that the Lord is the avenger of all such, as we also have forewarned you and testified.
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