From Wiktionary, the free dictionary
From pre- + fatigued.
prefatigued (not comparable)
- Before becoming fatigued.
2009 August 9, Gia Kourlas, “New Leaps in Research on Injuries”, in New York Times[1]:For the study, participants like Mr. Stigler are required to execute three types of jumps in prefatigued and fatigued states.