'world-weariness' originates from the combination of 'world' and 'weariness', where 'world' refers to the earth and its inhabitants, and 'weariness' means tiredness or fatigue.

'world-weariness' evolved from the concept of being tired of worldly matters, a sentiment that has been expressed in various forms throughout history.

Initially, it meant 'tiredness from worldly matters', and this meaning has largely remained the same in modern usage.