ἀποδεικνύναι

From LSJ

ὃ σὺ μισεῖς ἑτέρῳ μὴ ποιήσεις → don't do to others what you don't want them to do to you

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀποδείκνυμι): appoint, make, prove, render, show, furnish forth, mark off, point out, point to

Lexicon Thucydideum

ostendere, to show, 1.129.1, 7.57.9,
demonstrare, comprobare, to point out, prove, 1.26.3, 1.35.5, 2.72.3, 4.85.6, 7.48.1,
cum partic. with participle 1.6.6, 1.25.2, 2.62.1,
creare, to elect, appoint, 2.15.2, 5.27.2, 8.89.2, [vulgo pro commonly instead of ὑπεδείξατε1.77.6.]
MED. dicere (sententiam), to give (one's opinion), 1.87.2,
ostentare, to make a display of, 7.64.2.