business trip fatigue; tiredness after a work trip
Refers to the physical and mental exhaustion that follows a business trip, often from travel, meetings, and disrupted routines.
Because of business trip fatigue, I didn't feel like doing anything over the weekend.
The accumulated tiredness from work trips made me ill.
疲れ is general tiredness; 出張疲れ narrows the cause to a business trip.
Compound of 出張 (business trip) and 疲れ (tiredness).