Jisho

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Noun
1. water yam (Dioscorea alata); winged yam; purple yamUsually written using kana alone
Wikipedia definition
2. Dioscorea alataDioscorea alata, known as purple yam and many other names, is a species of yam, a tuberous root vegetable, that is bright lavender in color. It is sometimes confused with taro and the Okinawa sweet potato (Ipomoea batatas cv. Ayamurasaki). With its origins in the Asian tropics, D. alata has been known to humans since ancient times.
Read “Dioscorea alata” on English Wikipedia
Read “ダイジョ” on Japanese Wikipedia
Read “Dioscorea alata” on DBpedia
Other forms
ダイジョ

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