noun
limited-time sale; timed discount sale; flash sale
A retail sale or discount offered only during a specified short time, especially in shops, supermarkets, and online stores. This is wasei-eigo; English speakers would usually say “limited-time sale” or “flash sale,” not “time sale.”
wasei-eigo (Japanese-coined English), from time sale
スーパーで午後三時からタイムセールが始まる。
A limited-time sale starts at the supermarket at three in the afternoon.
タイムセールで弁当が
The boxed lunches were half price in the limited-time sale.