Final Answer:
Yeke Chiledu abandoning Lady Hogelun refers to a part of the Mongolian epic poem "The Secret History of the Mongols." In the story, Yeke Chiledu decides to abandon Lady Hogelun because of a dispute and misunderstanding between them.
Step-by-step explanation:
The reasons behind Yeke Chiledu's decision can be interpreted in various ways based on the different versions and analyses of the epic. It could be due to personal conflict, a perceived betrayal, or an act of revenge. The poem doesn't explicitly state the exact motive behind Yeke Chiledu's abandonment of Lady Hogelun, leaving room for interpretation and speculation based on the complexities of the characters and their relationships within the narrative.