Parallel
John 13:14
Nestle 1904 Greek New Testament · Berean Standard Bible
εἰ οὖν ἐγὼ ἔνιψα ὑμῶν τοὺς πόδας ὁ Κύριος καὶ ὁ Διδάσκαλος καὶ ὑμεῖς ὀφείλετε ἀλλήλων νίπτειν τοὺς πόδας
So if I, your Lord and Teacher, have washed your feet, you also should wash one another’s feet.