オープンセール

noun

opening sale; grand opening sale

Wasei-eigo from 'open sale'; refers to a sale held when a store first opens, often with special discounts or promotions.

wasei-eigo (Japanese-coined English), from open sale

• 新あたらしくできたスーパーでオープンセールをやっている。

  The newly opened supermarket is having an opening sale.

• オープンセールのチラシが入はいっていた。

  A flyer for the grand opening sale was included.