Trésor

Trésor, treasure in English.
Treasure: a quantity of precious metal, gems, gold or any impotant object. A valuable item.
And if you use it as a word of endearment towards a person, then it means that he or she is a valuable person. Is this what it means?
If you translate it to my birth language then it will be explained as a precious item, a valuable object or a lover.
.الخزينة
That's how he used to call me.