pour cause de

because of

→ pour
phrase Rare #32,997
because of Formal. Often used in announcements or written notices, especially with illness or another reason for absence or cancellation.
FR: Le cours est annulé pour cause de neige.
EN: The class is canceled because of snow.

Jason, qui était en charge du projet, a été renvoyé pour cause de corruption.

Jason, who was in charge of the project, was fired for corruption.

Fermé pour cause de lubie.

Closed due to a whim.

— Tampopo (1985)

Certains élèves étaient absents pour cause de grippe.

Some students were absent due to the flu.

La rencontre d'athlétisme a été reportée pour cause de pluie.

The track meet was postponed due to rain.