hat tip

US /ˈhæt tɪp/
UK /ˈhæt tɪp/
"hat tip" picture
1.

coup de chapeau, reconnaissance

an acknowledgment of a source of information or inspiration, often used in online contexts to credit someone for sharing something interesting or useful

:
A big hat tip to John for sharing that insightful article.
Un grand coup de chapeau à John pour avoir partagé cet article perspicace.
I'd like to give a hat tip to the original researcher for their groundbreaking work.
J'aimerais donner un coup de chapeau au chercheur original pour son travail révolutionnaire.