OVEREXERT

overexert

(verb) exert (oneself) excessively and go beyond one’s strength; “don’t overexert yourself when exercising!”

Source: WordNet® 3.1

Etymology

Verb

overexert (third-person singular simple present overexerts, present participle overexerting, simple past and past participle overexerted)

To exert (oneself) to an excessive degree

Source: Wiktionary

O`ver*ex*ert", v. t.

Definition: To exert too much.

Source: Webster’s Unabridged Dictionary 1913 Edition