A person who takes control of a place or people by using military force.
From Old French 'conquerre' meaning 'to win or acquire,' derived from Latin 'conquirere' (con- 'together' + quirere 'to seek'). The suffix -or indicates the person performing the action. The word evolved to specifically mean someone who conquers territories through warfare.
William the Conqueror, who invaded England in 1066, became so famous that his title basically became his name—showing how one military victory can define an entire person in history for over a thousand years.
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