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Wiktionary
makhaira

alt. A type of sword with a backwards curve, originating in Ancient Greece n. A type of sword with a backwards curve, originating in Ancient Greece

Wikipedia
Makhaira

Makhaira ( (mákhaira, plural mákhairai), also transliterated machaira or machaera; a Greek word, related to (mákhē) "a battle", (mákhesthai) "to fight", from PIE *magh-) is a term used by modern scholars to describe a type of ancient bladed weapon, generally a large knife or sword with a single cutting edge.