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Ainu word for the edge of a sharp tool like a knife.
Ainu word for the back of a knife, or sword. Also the ridge of a mountain or house.
Japanese term for an irregular hamon sometimes found on spearheads
On weight and balance
In researching antique arms -or any kind of material culture for that matter- it is of paramount importance to actually feel and handle pieces.
Machu for a groove on a blade or arrowhead
Dāo cáo (刀槽)
Qing Chinese for a groove in a saber blade.
Chinese saber with "naginata-hi"
A Chinese waist saber or
of the first half of the 18th century.
Chinese saber with U-grooves
With twist-core steel and of early liuyedao form. Probably 17th century.