chief-of-staff
UK[ˌtʃiːf əv ˈstɑːf]US[ˌtʃiːf əv ˈstæf]
n
The senior officer of an army, navy, or air force, serving as the principal adviser to the commander.
n
The head of any of several government departments.
n
A person who heads the staff of a high-ranking official, such as a president or CEO, and manages operations, information, and access.
Morpheme Breakdown
chief
of
staff
chief
head
of
belonging to
staff
body of personnel
Etymology
The term is a compound noun formed from three distinct English words. "Chief" originates from the Latin caput, meaning "head," which entered English via Old French. "Staff" evolved from the Old English stæf, a "stick" or "rod," which became a metaphor for a rod of office or a symbol of authority, eventually referring to the group of people who support a leader. The preposition "of" links the two, creating a genitive construction meaning "the head belonging to the staff." The phrase thus logically describes the principal officer who leads and manages the core administrative and operational body of a military command, government office, or executive suite.
Analysis
Structure: chief (head) + of (belonging to) + staff (body of personnel)
- chief: From Old French chef (head, leader), from Latin caput (head). Functions as the primary noun denoting the leader or principal figure.
- of: From Old English of, a preposition indicating origin, possession, or belonging. Functions as a linking preposition in the compound.
- staff: From Old English stæf (stick, rod), later extended to mean a body of officers serving a leader, akin to a rod of authority. Functions as the noun denoting the organized group of assistants or officers.
Examples
The general consulted his chief-of-staff before making a final decision.
She was appointed chief-of-staff to the new Secretary of Defense.
The CEO's chief-of-staff coordinates all communications between the executive team and the board.