This is the 10334th most frequent Japanese word.
馳せる
"馳せる" means "to run, dash, or hurry; to spread or extend (e.g., one's fame or thoughts)."
In this sentence, '馳せる' is used metaphorically to mean 'to think deeply or reflect,' showing mental movement or travel towards something distant.
彼は遠い過去を思い馳せることが多い。
He often reflects on the distant past.
Here, '馳せる' illustrates the act of mentally projecting one's thoughts or desires towards an idea or vision.
思い馳せた夢が、ついに現実となった。
The long dreamt-of aspiration finally became a reality.
In this sentence, '馳せる' is used literally to mean 'to rush or gallop,' indicating physical movement towards a place.