From Longman Dictionary of Contemporary Englishsang-froidsang-froid /ˌsɒŋ ˈfrwɑː $ ˌsɑːŋ-/ noun [uncountable] literary CONFIDENTcourage and the ability to keep calm in dangerous or difficult situations
Examples from the Corpus
sang-froid• She was mystified by my apparent sang-froid.• Yet, while many of his followers fretted about it, de Gaulle viewed the situation with remarkable sang-froid.Origin sang-froid (1700-1800) French “cold blood” 