7/6/11.
lassitude (las-i-tood) n., Weariness of body or mind from strain, oppressive climate, etc.; lack of energy; listlessness; languor.
After 3 hours of ironing theatrical curtains in a sweltering room on the top floor of a warehouse without air-conditioning, her lassitude was such that she barely had the strength to wipe the sweat from her brow.
Every Day for a Year 