IPA: /fəˈtɪɡəˌbɪlɪti/
KK: /fəˈtɪgəˌbɪlɪti/
The quality of being easily fatigued or tired; the tendency to become tired quickly.
His fatigability made it difficult for him to keep up with the rigorous training schedule.
Fatigability → It is formed from "fatigare" (meaning to tire) and the suffix "-ability" (meaning the quality of being able to). The word "fatigability" refers to the quality of being able to become tired or fatigued.
Think of the word 'fatigue' which means to tire, and remember that 'fatigability' describes the quality of being able to tire.