exhaust + -ion

source: Exhaustion · Anime Worldd · Disqus

1. a state of extreme physical or mental fatigue:

(精神･体力の)消耗, 強度の疲労

e.g. he was pale with exhaustion.

2. the action or state of using something up or of being used up completely:

(物資の)完全な消耗, (資源などの)枯渇

e.g. the rapid exhaustion of fossil fuel reserves.

3. Logic the process of establishing a conclusion by eliminating all the alternatives.

(問題などの)徹底的検討

early 17th century: from late Latin exhaustio(n-), from Latin exhaurire ‘drain out’ (see exhaust).