Webster's Revised Unabridged Dictionary · 1913

Debility

Debility , noun

[Latin debilitas, from debilis weak, prob. from de- + habilis able: compare French débilité. See Able, a.]

The state of being weak; weakness; feebleness; languor.
The inconveniences of too strong a perspiration, which are debility, faintness, and sometimes sudden death. — Arbuthnot