οἴνῳ τὸν οἶνον ἐξελαύνειν → chase out the wine with wine, take a hair of the dog that bit you, try to drive out the wine with wine
-η, -ο (Μ εὔτυχος, -ον)ευτυχής.[ΕΤΥΜΟΛ. < ευ + -τυχος (< τύχη), πρβλ. δύσ-τυχος, κακό-τυχος].