βλάθρον
From LSJ
Μεγάλοι δὲ λόγοι μεγάλας πληγὰς τῶν ὑπεραύχων ἀποτίσαντες γήρᾳ τὸ φρονεῖν ἐδίδαξαν → The great words of the arrogant pay the penalty by suffering great blows, and teach one to reason in old age
English (LSJ)
v. βλῆχνον, Hsch.
Spanish (DGE)
-ου, τό
bot. otro n. de βλάχνον helecho macho, Aspidium filix-mas Hsch.