Definitions for "Koto"
Japanese string instrument approximately 6 feet in length and 1 foot in width. It is featured in Japanese and Okinawan music.
Plucked thirteen-stringed musical instrument.
Japanese stringed instrument that resembles a zither; has a rectangular wooden sounding box and usually 13 silk strings that are plucked with the fingers
The koto is a traditional dress from the Afro-Surinamese women or Creoles in Suriname. The koto was developed during the slavery period in Suriname; its special purpose was to protect the Afro-Surinamese woman against their masters’ sexual interest.
Keywords:  sword, old, period, around, means
Old swords. Usually means swords made before 1596.
"Old Sword" period. From 900AD to around 1530AD
Old Sword Period( 0900 to 1500 AD)