What is "boudouaou"

Boudouaou, during French colonialism known as L'Alma (or Alma) is a town in the western part of Boumerdès, Algeria. It is a coastal town on the Mediterranean Sea. Its population in 1998 was 42,500.

The original name is thought to be bou-dhou-aou, Arabic for illuminator in reference to a small insect the size of a beetle which at night shows beautiful brilliant green light in its tail.