Cairo
/ˈkaɪ.roʊ/ · proper noun
The capital of Egypt, the largest city in the Arab world.
Cairo comes from the Arabic al-Qāhira, meaning “the Victorious; the Vanquisher.” Cairo’s Arabic name, al-Qāhira, means “the Victorious” — and it may honour the planet Mars, which was rising as the city was founded.
The English name “Cairo” is a worn-down version of the city’s Arabic name, al-Qāhira (القاهرة). The word qāhira means “the victorious,” “the conqueror” or “the vanquisher,” from the Arabic root q-h-r, “to overcome” or “to subdue.” It is a name of triumph, chosen for a new royal capital.
The city was founded in 969 CE by the Fatimid dynasty, who had conquered Egypt and wanted a grand new seat of power beside older settlements. According to a well-known tradition, court astrologers were to pick the most auspicious moment to begin building. The planet al-Najm al-Qāhir — “the conquering star,” an Arabic name for Mars — was rising at the time, and so the city took the name al-Qāhira, “the Victorious,” in its honour.
Over centuries of trade and travel, European tongues reshaped al-Qāhira. Italian merchants rendered it as something like “Cairo,” dropping the Arabic article and softening the sounds, and that form passed into English and other European languages. Egyptians themselves also call the city Maṣr, the same name used for Egypt as a whole.
So the familiar three-syllable name on maps and airport boards carries a bold medieval boast and, quite possibly, the red glint of a planet. Cairo is, quite literally, “the Victorious City.”
The journey through time
- Arabic969 CE
al-Qāhira — the Victorious (newly founded Fatimid capital)
- Arabic astronomy10th c.
al-Najm al-Qāhir — “the conquering star,” i.e. Mars
- Italianmedieval
Cairo — European rendering of the name
- Englishpresent
Cairo — the capital of Egypt
Did you know?
The same Arabic root q-h-r gives the word qahr, “force” or “coercion” — Cairo quite literally wears the language of conquest.
Related words
When the Fatimids founded their new capital in 969, Mars was rising in the sky. They named it al-Qahira — The Victorious — after the conquering star.
Watch the Cairo etymology videoSources & further reading
Our etymologies are compiled and edited from established works of historical linguistics and lexicography. To dig deeper into the origin of “Cairo,” these independent reference works are a great next step:
Frequently asked questions
Where does the word “Cairo” come from?
“Cairo” comes from the Arabic al-Qāhira, meaning “the Victorious; the Vanquisher.” Cairo’s Arabic name, al-Qāhira, means “the Victorious” — and it may honour the planet Mars, which was rising as the city was founded.
What does “Cairo” mean?
The capital of Egypt, the largest city in the Arab world.
What language does “Cairo” originate from?
Cairo traces back to Arabic, from the root al-Qāhira (“the Victorious; the Vanquisher”).
When did “Cairo” first appear?
The earliest form dates to the Arabic (969 CE), when it appeared as “al-Qāhira” — the Victorious (newly founded Fatimid capital).
What is an interesting fact about “Cairo”?
The same Arabic root q-h-r gives the word qahr, “force” or “coercion” — Cairo quite literally wears the language of conquest.
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