In French. "End of week" would be "fin de semaine" but we don’t say that, we say "weekend". Which is understood as these two days when most people don’t work.

In French. "End of week" would be "fin de semaine" but we don’t say that, we say "weekend". Which is understood as these two days when most people don’t work. If anything, "fin de semaine" would refer to the last working days before the weekend.