Parashas Ki Sisa · Passuk 34:07
Torah Temimah points to classical source on this unit (verified).
English: “Keeper of kindness for thousands” — preserves kindness for thousands of generations.
Derash on notzer chesed as preserving kindness across generations.
Keeping kindness for thousands; bearing iniquity, rebellion, and sin; yet not clearing the guilty; visiting the iniquity of parents upon children and children’s children, upon the third and upon the fourth.