gum ‧ shoe /ˈɡʌmʃuː/ BrE AmE noun [countable] American English old-fashioned
[ Date: 1900-2000 ; Origin: gumshoe 'rubber shoe' (19-20 centuries) ; because detectives walk quietly ]
a ↑ detective
gum ‧ shoe /ˈɡʌmʃuː/ BrE AmE noun [countable] American English old-fashioned
[ Date: 1900-2000 ; Origin: gumshoe 'rubber shoe' (19-20 centuries) ; because detectives walk quietly ]
a ↑ detective
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012