fumble
From LSJ
πολλάκις δοκεῖ τὸ φυλάξαι τἀγαθὰ τοῦ κτήσασθαι χαλεπώτερον εἶναι → it often proves harder to keep than to win prosperity | it is often harder for men to keep the good they have, than it was to obtain it
English > Greek (Woodhouse)
verb intransitive
he came and fumbled at my door: Ar. ἔκνυεν ἐλθὼν τὴν θύραν (Thesmophoriazusae 481).