may his memory be for a blessing in hebrew
Honorifics for the dead in Judaism The honorific "May the memory of the righteous be a blessing" is used after the names of holy rabbis and other holy people, from Proverbs 10:7. In Hebrew transliteration: "zekher tzadik livrakha" and in Hebrew: "זכר צדיק לברכה." The English abbreviation commonly used is “ZT"L” and in Hebrew, "זצ״ל" is used. It is pronounced in reading as "zatzal." It may be also written as “ZTz"L”.