bold (adj.) Look up bold at Dictionary.com
Old English beald (West Saxon), bald (Anglian) "bold, brave, confident, strong," from Proto-Germanic *balthaz (source also of Old High German bald "bold, swift," in names such as Archibald, Leopold, Theobald; Gothic balþei "boldness;" Old Norse ballr "frightful, dangerous"), perhaps from PIE *bhol-to- suffixed form of root *bhel- (2) "to blow, swell."

Of flavors (coffee, etc.) from 1829. The noun meaning "those who are bold" is from c. 1300. Old French and Provençal baut "bold," Italian baldo "bold, daring, fearless" are Germanic loan-words.