ὑποσημαίνειν
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
Greek > English (Woodhouse Verbs Reversed)
(see also ὑποσημαίνω): hint, give an inkling of, glance at, hint at by innuendo, hint at indirectly, hint at obliquely, hint at, hint darkly at, hint mysteriously at, refer to covertly
Lexicon Thucydideum
significare, to indicate, signify, 1.82.3,
PASS. 6.32.1.