Relating to lawyers, legal proceedings, or the practice of law in a formal or technical way.
From Latin causidicus, meaning 'advocate' or 'pleader,' derived from causa (cause/case) and dicere (to speak). The term evolved through medieval Latin legal terminology into English to describe anything pertaining to formal legal argumentation.
This word is almost extinct in modern English—it survives mainly in historical legal texts and dusty law dictionaries, a ghostword from when lawyers were called 'causidicians.' It shows how specialized professional jargon from Latin once permeated English legal language before being replaced by simpler terms.
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