Koshu

[grape] Koshu is a white wine grape variety that has been grown primarily in Yamanashi Prefecture of Japan. It was developed from grapes that were brought from the Caucasus through the Silk Road, at a period estimated to be around a thousand years ago. It belongs to the same Vitis vinifera family as European grapes. The name `Koshu” is a ...
Found on http://en.wikipedia.org/wiki/Koshu_(grape)

Koshu

Term for Kai province and things of Kai province.
Found on http://www.samurai-archives.com/vocab.html

Koshu

The white grape variety is in Japan cultivated; the origin is unknown. Synonyms are Kochiou, Konshu, Koshiou, Koshiourebe and Koushuu. It is named after the former province of Kōshū, which is roughly the same as today's prefecture Yamanashi covers. According to one hypothesis, it allegedly reached Europe via the Silk Road in the eighth century Ch...
Found on https://glossary.wein-plus.eu/koshu
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