corsaire (French)

Where does "corsaire" come from?

The French noun 'corsaire', meaning 'privateer' or 'pirate', was borrowed from the Italian 'corsaro'[1]. This Italian form traces back to the Medieval Latin 'cursārius', an agent noun denoting a pirate[1][2]. The Latin base originates from 'cursus', which signified a 'plunder' or 'hostile inroad' as well as a 'running'[2][3]. This term is built upon the verb 'currō', rooted in the Proto-Indo-European '*ḱers-' meaning 'to run'[5]. The French word is a doublet of 'coursier'[1].

Open questions

• The Proto-Italic form *korzō is a reconstructed ancestor of the Latin verb curro. [5] [6]

Full etymology tree

• corsaire (French), 'privateer'
  • borrowed corsaro (Italian), 'privateering, pirate'
    • inherited cursarius (Latin), 'pirate, sea-raider, corsair'
      • derived cursus (Latin), 'the act of running; race'
        • deverbal curro (Latin), 'to run'
          • inherited *korzō (Proto-Italic), 'to run'
            • inherited *ḱers- (Proto-Indo-European), 'to run'
      • suffix -arius (Latin), 'Used to form adjectives from nouns or numerals.'

Ancestors

• corsaro (Italian)

Cognates and doublets

• coursier (French)

Sources

1. corsaire (French) - Wiktionary
2. corsaro (Italian) - Wiktionary
3. cursus (Latin) - Wiktionary
4. cursarius (Latin) - Wiktionary
5. curro (Latin) - Wiktionary
6. korzō (Proto-Italic) - Wiktionary

Updated August 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris