This is the 5356th most frequent Japanese word.
odakyu
"Odakyu" refers to a major private railway company in Japan, the Odakyu Electric Railway.
In this sentence, 'Odakyu Line' refers to a specific railway line operated by Odakyu Electric Railway.
小田急線で新宿に行きます。
I will go to Shinjuku via the Odakyu Line.
Here, 'Odakyu' denotes the department store owned by Odakyu Electric Railway in Shinjuku.
小田急百貨店で買い物をしました。
I did some shopping at the Odakyu Department Store.
In this usage, 'Odakyu Group' refers to a conglomerate providing services like transportation and retail.