Debilitate
(verb)
To make weak or feeble; to impair the strength of; to enfeeble.
Origin:
From the latin debilitat- "weakened", from the verb debilitare, from debilis "weak".
Examples:
- The illness had debilitated him to the point where he was no longer able to walk unassisted.
- The constant stress of her job was beginning to debilitate her health.
- The hot summer sun had debilitated the old man's strength.
- His injuries debilitated him and he was unable to return to work.
- The harsh winter weather had debilitated the crops and they were unable to grow.