aggressor

• aggressour (obsolete)

From Latin aggressor (“attacker, assailant, aggressor”).

aggressor (plural aggressors)

1. The person or country that first attacks or makes an aggression; that begins hostility or a quarrel; an assailant.
   • 1950 September 1, Harry S. Truman, 2:37 from the start, in MP72-73 Korea and World Peace: President Truman Reports to the People‎^[1], Harry S. Truman Presidential Library and Museum, National Archives Identifier: 595162:

     Hitler and the Japanese generals miscalculated badly, 10 years ago, when they thought we would not be able to use our economic power effectively for the defeat of aggression. Let would-be aggressors make no such mistake today.

aggressor c (singular definite aggressoren, plural indefinite aggressorer)

1. aggressor

• “aggressor” in Den Danske Ordbog

From aggredior (“attack, assault”) +‎ -tor (agentive suffix).

• (Classical Latin) IPA^(key): /aɡˈɡres.sor/, [äɡˈɡrɛs̠ːɔr]
• (modern Italianate Ecclesiastical) IPA^(key): /aɡˈɡres.sor/, [äɡˈɡrɛsːor]

aggressor m (genitive aggressōris); third declension

1. attacker, assailant, aggressor

Third-declension noun.

• Catalan: agressor
• English: aggressor
• Middle French: aggresseur
• Italian: aggressore
• Portuguese: agressor
• Spanish: agresor

• “aggressor”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• aggressor in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.