In Latin, the verb "fidere" means "to trust" or "to rely on".

Its etymological roots trace back to the Latin verb "fidere", which conveys the concept of trust and confidence. Interestingly, this word has persisted through Middle English and Middle French, eventually finding its way into modern English as "fidelity". 

So, when you encounter the term "fidelity," remember that it has a long history of trust and reliability behind it!