/saɪt/
[verb] To mention something as an example or as proof of what you are saying, or to officially ask someone to appear before a court of law.
Before it meant quoting books, 'cite' meant summoning soldiers to battle — it was a military command.
The word 'cite' travels in a remarkably straight line from Latin, carrying with it a core idea that is more physical and urgent than its modern use suggests. It comes from the Latin verb *citare*, meaning 'to set in motion, to call, to summon.' This was an active, energetic word — not a quiet request but a loud call to movement. *Citare* was itself a frequentative form of *ciere*, meaning 'to move, to rouse, to stir,' suggesting repeated or emphatic calling. The Romans used *citare* in military and legal contexts: a general might *citare* troops to assemble, or a magistrate might *citare* a citizen to appear before a court.
The Latin *citare* passed into Old French as *citer*, keeping its legal sense of formally calling someone to appear. It was from this Old French *citer* that English borrowed the word in the 15th century, initially using it almost exclusively in legal settings. To 'cite' someone was to officially summon them — a meaning that survives today when a police officer issues a citation, essentially a formal notice requiring you to appear before a court or pay a fine.
The shift from summoning people to summoning words and ideas is a fascinating one. By the late 15th and early 16th centuries, scholars and writers began using 'cite' to mean calling up a written authority — quoting a passage from a book, or pointing to a text as evidence for an argument. This makes a kind of poetic sense: just as a magistrate summons a witness to support a case, a writer summons a source to support a claim. The act of citation became, in essence, a legal proceeding of the mind.
The Latin root *ciere* — that original verb meaning 'to rouse or set in motion' — has been remarkably productive in English, and its descendants are hidden in plain sight. Latin *ciere* evolved into several related words: *citare* gave English not only 'cite' but also 'recite' (Latin *recitare* → Old French *reciter* → English 'recite'), meaning to call something back or repeat it aloud, and 'excite' (Latin *excitare* → Old French *exciter* → English 'excite'), meaning to rouse someone out of a calm state. Even 'incite' follows the same chain: Latin *incitare* → Old French *inciter* → English 'incite', meaning to urge or stir someone into action.
The noun form 'citation' arrived in English around the same time, also through Old French *citation* from Latin *citationem*, the noun form of *citare*. Over time, the word grew to cover academic, legal, and military uses. A soldier could receive a citation for bravery — a formal public calling-out of their name in recognition. A student cites sources. A driver receives a traffic citation. In every case, the heart of the old Latin meaning beats steadily: something or someone is being formally called forward.