Where does “адресувам” come from?

адресувам (Bulgarian) comes from Bulgarian адрес, from French adresse, from Middle French adresse.

Ancestry of “адресувам”, step by step

Step	Language	Word	Meaning
1	Bulgarian	адрес	address; Internet address, URL
2	French	adresse	address; skill, adroitness; first-person singular...
3	Middle French	adresse	—