From Longman Dictionary of Contemporary Englishgo to earthgo to earthBritish EnglishHIDE/MAKE IT HARD TO FIND OR SEE to hide in order to escape from someone who is chasing you SYN go to ground → earth
Examples from the Corpus
go to earth• Not much doubt he slipped in there and went to earth in the shed, for some purpose of his own.• He'd go to earth and stay there till dark.• All the village had gone to earth. 