(possibly obsolete) yuzu (Citrus junos)

a surname

beautiful jade

seam

to boil / to seethe

The katakana syllable ユ (yu). Its equivalent in hiragana is ゆ (yu). It is the thirty-seventh syllable in the gojūon order; its position is ヤ行ウ段 (ya-gyō u-dan, “row ya, section u”).

In the traditional Japanese number system, 10⁶⁰ or one novemdecillion of the American system. / (Buddhism, historical) extremely large number, usually interpreted as the number 10²⁸

yoga

pleasure, comfort

Small combining form of hiragana ゆ (yu) used in 拗音 (yōon) morae that end in u, such as しゅ (shu), ちゅ (chu), and きゅ (kyu). Historically not distinguished from full-size version.