a temporary interruption of the body's biological clock, experienced when someone travels across time zones, by airplane. This includes fatigue and irritability
There is no such word as jetleg. However, there is a word called jet lag. Jet lag is when a person feels extremely tired because they have traveled across different time zones.
Jetleg- which is moving from time zone to time zone
Jet lag happens when you cross a number of time zones it can last several days . Some symptoms are headaches (there are a few more symptoms).