"Exertional" Natural Recordings by Native Speakers
Relating to physical or mental effort, activity, or strain. ((OF) Exert, to exercise force or effort)
An exergue is a short inscription or phrase written below the title of a book, pamphlet, or other written work, usually indicating who the author is and the year of publication.
Exertions refer to the efforts or strains that someone makes to achieve something, often requiring a lot of physical or mental energy. For example, "After days of exhaustion, the hikers finally reached the summit, exhausted from their considerable exertions."
I apologize, but I couldn't find any word called "exesion". It's possible that it's a misspelling or a made-up word. Can you please provide more context or clarify the correct spelling?