der ‧ ring-do /ˌderɪŋ ˈduː/ BrE AmE noun
[ Date: 1500-1600 ; Origin: dorring don 'daring to do' (14-15 centuries) ]
deeds/acts etc of derring-do very brave actions like the ones that happen in adventure stories – used humorously
der ‧ ring-do /ˌderɪŋ ˈduː/ BrE AmE noun
[ Date: 1500-1600 ; Origin: dorring don 'daring to do' (14-15 centuries) ]
deeds/acts etc of derring-do very brave actions like the ones that happen in adventure stories – used humorously
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012