五十鈴

From Old Japanese.

Originally a compound of 五十 (い) (i, “fifty”, combining form) + 鈴 (すず) (suzu, “bell”).[1][2]

The Old Japanese term 五十 was often read as iso in isolation, but realized as simply i in compounds.[1] Compare the surname 五十嵐 (Igarashi).

• (Irregular reading)
  • IPA^(key): [isɨᵝzɨᵝ]

五十鈴 (hiragana いすず, rōmaji Isuzu)

1. a Nagara-class cruiser of the Imperial Japanese Navy during World War II (see Japanese cruiser Isuzu on Wikipedia.Wikipedia )

   Hypernym: 長良 (Nagara)

2. a place name, especially, the name of a river in Mie Prefecture, and the name of a village in the city of Yamagata in Yamagata Prefecture
3. a surname​
4. a female given name

The name of the company Isuzu is often rendered in hiragana, as いすゞ.

As with many names, there are many other historical kanji spellings, including 衣須寿, 衣鈴, 乙涼.

• 五十鈴 on the Japanese Wikipedia.Wikipedia ^ja