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Jian 劍 Chinese Straight Sword
Dao 刀 Chinese Curved Sword/Saber
it is a dao
a polearm
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There are several types of polearms. The closest European weapon to a "sword spear" would be a glaive. In Asian weapons, there is a nagamaki, the naginata, and the Kwan Dao.
Dao An was born in 314.
Dao An died in 385.