occurred, happened
They know what happened.
Avec Li Kai après tes études, que serait-il advenu ?
What would have happened to you and Li Kai after you finished your studies?
— Salé, Sucré (1994)
Tout le monde est désireux de savoir ce qu'il est advenu de l'ex-champion.
Everyone is eager to know what became of the former champion.
Elle me demanda ce qu'il était advenu de lui, mais je l'ignorais.
She asked me what had become of him, but I didn’t know.
Elle m'a demandé ce qu'il était advenu de lui, mais je l'ignorais.
She asked me what had become of him, but I didn't know.
Que lui est-il advenu, depuis lors ?
What has happened to him since then?