An ancient bituminous substance or mineral pitch found in certain geological deposits, historically used as a waterproofing agent.
From Greek 'abiston,' related to 'bitumen,' referring to a naturally occurring tar-like substance; ancient sources describe it as a product of certain mineral springs.
Ancient civilizations were fascinated by substances that seemed to emerge magically from the earth—abiston was their name for mystery goo that actually turned out to be incredibly useful for sealing boats and buildings!
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