From Wiktionary, the free dictionary
お (o-, “honorific prefix”) + 知らせ (shirase, “notice, notification, news, word”)
お知らせ • (o-shirase)
- (honorific) notice, notification, news
- 運営からのお知らせ
- un'ei kara no o-shirase
- notice from the administration
- クリスマス中止のお知らせ
- Kurisumasu chūshi no oshirase
- notice of the cancellation of Christmas (2channel meme)