Either remembered something from the past, or called someone/something back.
From Old French 'recaller,' combining 're-' (back) and 'caller' (to call). The dual meaning developed because 'calling back' to your memory and 'calling back' a person are metaphorically similar actions.
This word has two completely different meanings—remembering and returning—but they share the same root because recalling a memory is like calling it back from the past, and recalling a product is calling it back from stores.
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