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means A metal pronged truncheon-like weapon, with a central pointed shaft flanked by two curved prongs, used for stabbing, striking, and trapping an opponent's blade.

from Thought to trace back to farming and fishing tools of South and Southeast Asia, likely arriving in Okinawa via trade with China and the Malay archipelago; some link it to the Chinese word for a hairpin-like fork or a trident-shaped tool, though the exact linguistic path is murky. In Okinawa, where edged weapons were restricted, it was absorbed into kobudo as a defensive weapon disguised as farm equipment — the same quiet-rebellion logic that turned a rice flail into nunchaku.