noun
Mitsui Life Insurance
Proper noun referring to the Japanese life insurance company Mitsui Life Insurance Co., Ltd.
三井生命保険は、日本で長い歴史を持つ生命保険会社です。
Mitsui Life Insurance is a life insurance company with a long history in Japan.
Compound of 三井 (Mitsui, the founding family/group name) + 生命保険 (life insurance).