noun
oversaturation of stores; too many shops
Wasei-eigo from English 'over store'. Used in business and urban planning contexts to describe an area with more stores than the market can support.
wasei-eigo (Japanese-coined English), from over store
この地域はオーバーストアで、どの店も経営が厳しい。
This area is oversaturated with stores, and every shop is struggling to stay in business.