zeitgeist /ˈzʌɪtɡʌɪst 
/ ▸ noun [in singular] the defining spirit or mood of a particular period of history as shown by the ideas and beliefs of the time: the story captured the zeitgeist of the late 1960s.
– ORIGIN mid 19th century: from German Zeitgeist, from Zeit ‘time’ + Geist ‘spirit’.
EnglishOxford Dictionary of English
