(ごじゅう)

ごじゅう
number
fifty
1. fifty
The number fifty. Formed by combining () (five) and (じゅう) (ten), literally meaning 'five tens.'
My grandfather built this house fifty years ago.
Fifty people gathered.
五十音(ごじゅうおん)(おぼ)えましょう
Let's learn the fifty sounds (Japanese syllabary).
五十(ごじゅう)(えん)()えます
You can buy it for fifty yen.
My father will turn fifty next year, so we want to celebrate as a family.

五十音(ごじゅうおん) (literally 'fifty sounds') refers to the Japanese syllabary system of hiragana and katakana. Although there aren't exactly fifty sounds, this traditional name persists. The 五十音(ごじゅうおん)(じゅん) (fifty-sounds order) is the Japanese equivalent of alphabetical order.