Something that removes obstructions or blockages; a medical substance or treatment that clears blocked passages.
From 'deobstruct' combined with the suffix '-ent,' which can indicate either an adjective describing something that has the quality of clearing, or a noun for an agent that performs this function.
In traditional medicine, 'deobstruents' were herbs and remedies believed to clear internal blockages—the word shows how older medical terminology reflected humoral theory and ideas about internal flow that modern science has since abandoned.
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