failing
From LSJ
οἷς τὰ ὁρώμενα τὴν ἀρχὴν ἐνδίδωσι, καὶ οἷον ὑπήνεμα διὰ τῶν ὀφθαλμῶν τὰ πάθη ταῖς ψυχαῖς εἰστοξεύονται → who taketh his beginning and occasion from something which is seen, and then his passion, as though wind borne, shoots through the eyes and into the heart
English > Greek (Woodhouse)
prep.
Except: P. and V. πλήν. Failing this: P. and V. εἰ δὲ μή. Best of all, let us make terms for ever. Failing that . . .: P. μάλιστα μὲν εἰς ἀΐδιον συμβῶμεν, εἰ δὲ μὴ . . . (Thuc. 4, 63).