ἐπιδεικνύναι
From LSJ
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπιδείκνυμι): prove, show, give a specimen of, make display of, make show of, point out, point to, show off
Lexicon Thucydideum
ostendere, to show, 3.64.4, 6.46.3, 6.47.1,
significare, to indicate, signify, 5.77.8.