What is another name for an ellipsoidal reflector spotlight?

The Correct Answer is Leko

Leko is another name for an ellipsoidal reflector spotlight. The stage designers have long referred to the ellipsoidal spotlight reflector as "Leko". The term Leko is actually the abbreviated form of Lekolite, which is a brand of ellipsoidal reflector spotlights used to illuminate stages.

Explanation:

The “ellipsoidal spotlight reflector,” or ERS, has had various names throughout its history, but it is commonly known as Leko in the stage lighting industry. The term Leko specifically refers to the half-ellipsoidal dome reflector that houses the lamp within the spotlight instrument.

What are some other names used for ellipsoidal reflector spotlights?