ἀνοίγειν

From LSJ

φθείρουσιν ἤθη χρήσθ' ὁμιλίαι κακαί → bad company ruins good habits

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀνοίγνυμι): disclose, open, reveal

Lexicon Thucydideum

aperire, to open, disclose, 2.2.2, 3.65.3, 3.68.4, 3.73.4. 5.9.7. 5.10.5,
PASS. 2.4.3, 2.4.5, 4.67.4. 4.68.5. 4.104.4. 4.111.1. 4.111.2, 4.130.5. 4.130.6, 7.29.3.