Liddell-Scott-Jones

διακαθαίρω (diakathairō) to scour ^G:V

διακαθαίρω-αίρω,

aorist participle -άρας[Refs]:—purge thoroughly, [Refs 5th c.BC+]; κρουνούς [NT+4th c.AD+]:—middle, of one's own stock, [Refs 5th c.BC+]

__II prune, [Refs 4th c.BC+]; δένδρα [Refs 1st c.AD+]

_{LSJ Scripture Refs: Luke.3.17}