LEXIFOUR
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Published 2026-09-29

collateral

Why can one word describe cousins, loan security, and unintended damage? The meaning and the connection are in the slides. #words #vocabulary

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    WORD STORY: collateral.

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    WORD STORY: collateral. Meaning: Descended from a common ancestor but through different lines.

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    WHERE IT BEGAN: Start with the older meaning. Collateral came through Anglo-French from Medieval Latin collateralis, literally side by side. It combined col-, the form of com- before l meaning with or together, and lateralis, of the side, from Latin latus, side.

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    THE CONNECTION: How the meaning moved. Things beside the main line became secondary or supporting.

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    THE CONNECTION: How the meaning moved. A cousin is collateral kin because the relationship branches beside direct descent; collateral security supports a primary debt from the side; collateral damage is harm outside the intended target.

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    PLAY LEXIFOUR: Try five words a day.. Play Lexifour, the free daily vocabulary game.

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