world's end
/ˌwəːldz ˈɛnd/(also worlds end, warlt's end)
noun
1The end or destruction of the world or of life on earth, specifically the Day of Judgement. Occasionally attributive Compare world-end.
- to the world's end and variants: as long as human life shall last, until the end of time..
2The farthest limit of the earth; (chiefly used hyperbolically, especially) the farthest attainable point of travel; (also) a very remote or out-of-the way place. Occasionally attributive Compare world-end, the ends (also end) of (the) earth.
- Sometimes used (with capital initials) as the proper name of remote localities or houses, especially formerly, of certain inns kept for illicit purposes..
Origin
Old English; earliest use found in Charter: Lufu to Christ Church, Canterbury. From the genitive of world + end.