προσέχειν

From LSJ

οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters

Source

Greek > English (Woodhouse Verbs Reversed)

(see also προσέχω): concentrate, heed, mark, note, notice, apply one's mind to, attend to, devote oneself to, fix the attention on, give ear, pay attention to, pay attention, put ashore

Lexicon Thucydideum

attendere, to pay attention to, 1.95.2, 2.11.2,
item likewise 5.26.5. 6.93.2, 7.15.2, 7.23.1,
Absolute, absolutely 7.4.4, 7.75.7, [vulgo commonly προσχόντας]
MED. implicitum esse, to be involved in, 1.127.1.