ἀπρόθετος

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

Sophocles, Antigone, 1350-1353

Spanish (DGE)

-ον
I no fijado de antemano al ἀγορασίαι καὶ οἱ γάμοι Heph.Astr.Epit.1.31.47.
II adv. -ως maquinalmente, involuntariamente συμβαίνειν ἀ. Plb.9.12.6, Ephr.Syr.3.55B.