When did "stack" became synonymous with an instance of an effect? e.g. "Three stacks of vulnerability"

When did "stack" became synonymous with an instance of an effect? e.g. "Three stacks of vulnerability" - Black and Silver Camera on Brown Wooden Book Shelf

This might be a bit of a crossover question with linguistics. "Stacking" itself is a rather old concept, but referring to instances of buff/debuff as a "stack" seems to have appeared later.






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When did "stack" became synonymous with an instance of an effect? e.g. "Three stacks of vulnerability" - White and Pink I Love You Letter Blocks
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When did "stack" became synonymous with an instance of an effect? e.g. "Three stacks of vulnerability" - White and Red Letter Blocks





Huawei S Series Switches Stacking Feature Introduction




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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