1640s, from Old French demorage, from demorer (English demur), from Latin demorari (“to tarry”).
Surface etymology is demur (“delay”) + -age, with doubled ‘r’ to clarify pronunciation and avoid ambiguity with demure.
demurrage (countable and uncountable, plural demurrages)
- (shipping) the detention of a ship or other freight vehicle, during delayed loading or unloading
- compensation paid for such detention
- a charge made for exchanging currency for bullion
- (detention of a ship, or fee paid for it): despatch
detention of a freight vehicle during delayed loading or unloading
compensation paid for such detention
- ^ “demurrage” in Douglas Harper, Online Etymology Dictionary (2001).