The story
Blend of corrugate and surrogate; coined to describe the fundamental repeating unit of corrugated packaging material.
Etymology from Wiktionary, CC BY-SA 4.0.
currogate
Today it means: A single complete wave unit, comprising one peak and one valley, of the fluted inner layer of corrugated cardboard, forming the repeating structural core that provides cushioning and compressive strength in corrugated packaging material. Full definition →