but to Avraham’s sons by concubines Avraham gave gifts while he was still living, and he sent them away from his son Yitzchak eastward, to the land of the East.
English: What are “gifts”? Rabbi Yirmiyah bar Abba said: This teaches that he transmitted to them a name of impurity.
On the daf / in context: The “gifts” are understood not as material alone but as the names of impurity (idolatrous lore) that Avraham handed over so that the other sons would use those names rather than the Divine Name for their worship.
Type of Learning
Custom (Bavli — gifts of the names of impurity)
What Is Learned
The “gifts” Avraham gave the sons of the concubines included the names of impurity, so that they would call their idols by those names and not misuse the Divine Name.