floodgate
UK[ˈflʌdɡeɪt]US[ˈflʌdɡeɪt]
n
a gate that can be opened or closed to control the flow of water, especially in a dam or lock.
n
something that controls the release or expression of a powerful force, emotion, or quantity.
Morpheme Breakdown
flood
gate
flood
water
gate
barrier
Etymology
the word 'floodgate' is a transparent compound formed from two native english elements of germanic origin. the first element, 'flood', derives from proto-germanic flōduz, which carries the core meaning of a flowing body of water, often to excess. the second element, 'gate', comes from proto-germanic gatą, referring to an opening or passage. when combined, the literal meaning is a 'gate for controlling a flood'. this concrete sense, dating to the late middle english period, logically evolved into a powerful metaphorical sense. it now describes any mechanism or circumstance that, once opened, releases a previously restrained and often overwhelming force, such as emotions or information.
Analysis
Structure: flood (water) + gate (barrier)
flood (from old english 'flōd', meaning a flowing of water, deluge; germanic origin, functional role: root/modifier). gate (from old english 'geat', meaning an opening, door, passage; germanic origin, functional role: head noun).
Examples
the engineers opened the floodgates to relieve pressure on the dam.
the court's ruling opened the floodgates to thousands of new lawsuits.
she struggled to keep the floodgates of her grief closed during the service.