holdover
1. [ noun ] something that has survived from the past
Synonyms: hangover
Examples:

"a holdover from the sixties" "hangovers from the 19th century"

Related terms: survival hold_over
2. [ noun ] (work) an official who remains in office after his term
Synonyms: hangover
Related terms: official hold_over
Similar spelling:   hold_over
  hold_open
  hold_off