obstacle
From LSJ
τὸ μὲν εὖ πράσσειν ἀκόρεστον ἔφυ πᾶσι βροτοῖσιν → all mortals have by nature an insatiable appetite for success, our mortal state with bliss is never satiate, success is something for which humanity is insatiatable
English > Greek (Woodhouse)
substantive
P. ἐμπόδισμα, τό, ἐναντίωμα, τό, κώλυμα, τό, διακώλυμα, τό.
be an obstacle to: Ar. and P. ἐμπόδιος εἶναι (dat. of pers., gen. of thing.), P. and V. ἐμποδὼν εἶναι (dat.), ἐμποδὼν γίγνομαι, ἐμποδὼν γίγνεσθαι (dat.).
wherever any obstacle is in the way: P. ᾗ ἂν ἐνστῇ τι (Dem. 1274).
the obstacle mentioned just now by Cebes is still there: P. ἔτι ἐνέστηκε ὃ νῦν δὴ Κέβης ἔλεγε (Plato, Phaedo, 77B).