Amadeus is a theophoric given name derived from the Latin words ama – the imperative of the word amare (to love) – and deus (god).
As a linguistic compound in the form of a phereoikos, it means "love god!".
The best-known bearer of the name is the composer Wolfgang Amadeus Mozart. From Wikipedia.com (24 March 2020)
Background Image: Wolfgang Amadeus Mozart by Barbara Krafft [Public domain]