This is the 12300th most frequent Russian word.
исходила
"Исходила" means "emanated" or "proceeded" (past tense, feminine form).
Here, 'исходила' is used metaphorically to describe enduring or overcoming an emotional state.
Она исходила боль, чтобы помочь другим.
She overcame the pain to help others.
In this sentence, 'исходила' reflects the physical action of thoroughly walking or traversing a place.
Она исходила весь город в поисках книги.
She traversed the entire city in search of a book.
Here, 'исходила' is used figuratively to denote the origin or source of something, her wisdom in this case.