Wi
Kana
Wi is an obsolete Japanese kana, which is normally pronounced in current-day Japanese. The combination of a W-column kana letter with ゐ゙ in hiragana was introduced to represent in the 19th century and 20th century. Wikipedia
hiragana origin: 爲
katakana origin: 井
spelling kana: ゐどのヰ; (w)ido no "(w)i"
unicode: U+3090, U+30F0