Crossword Dictionary
debilitate
enfeeble, debilitate, drain - v
make weak; "Life in the camp drained him"
https://www.wordplays.com/definition/DEBILITATE
Synonyms
devitalize, enervate, enfeeble, etiolate, prostrate, sap, soften, tire, waste, weaken
https://www.merriam-webster.com/thesaurus/debilitate
Examples
It is expected that the illness will debilitate him for at least another week.
The self-defense class taught how to debilitate an attacker in any dangerous situation.
The drought is expected to debilitate plant growth, so this year will have a smaller harvest than normal.
https://sentence.yourdictionary.com/debilitate
Etymology
"weaken, impair the strength of, enfeeble, make inactive or languid," 1530s, from Latin debilitatus, past participle of debilitare "to weaken," from debilis "weak, helpless," from de "from, away" (see de-) + -bilis "strength," from PIE root *bel- "strong" (see Bolshevik). Related: Debilitated; debilitating.