A person who works with or makes daggers; a dagger-maker or a person skilled in dagger combat.
From 'dagger' (a short pointed blade) plus the agent suffix -er. The term is primarily historical, appearing in medieval and early modern English contexts for craftspeople and combatants.
Medieval 'dargers' were like the weaponsmiths of short blades—there were actually specialized craftspeople whose entire job was just making daggers, which shows how important these tools were in combat and daily life!
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