וְאָמַ֣ר אֵלָ֔יו מָ֧ה הַמַּכּ֛וֹת הָאֵ֖לֶּה בֵּ֣ין יָדֶ֑יךָ וְאָמַ֕ר אֲשֶׁ֥ר הֻכֵּ֖יתִי בֵּ֥ית מְאַהֲבָֽי׃ (ס)
And one shall say unto him: ‘What are these wounds between thy hands?’ Then he shall answer: ‘Those with which I was wounded in the house of my friends.’
Read kabbalistic (mystical) interpretation of Zechariah 13:6: and classical mystical sources.