The story
From ad hoc + -cracy, by analogy with bureaucracy; coined by American organizational consultant Warren Bennis (1925–2014) and American sociologist Philip Slater (1927–2013) in The Temporary Society (1964), and popularized by American futurist Alvin Toffler (1928–2016) in his book Future Shock (1970).
First known use, by meaning
- from 1964. An organizational system designed to be flexible and responsive to the needs of the moment rather than excessively bureaucratic.
Etymology from Wiktionary, CC BY-SA 4.0.