What is the meaning of 'fideli'?

Answer 1

Latin is a language that uses case endings to show the relationship of the parts of speech to the verb and to the rest of the sentence. In this example, the word 'fide' is in the ablative case, as the object of the preposition. The meaning therefore is by faith. The pronunciation is the following: FEE-day. The nominative, or subject, form of the word is 'fides'.

Answer 2

The English equivalent of the Latin word 'fideli' is faithful. The Latin word is an adjective. It's the singular form of the dative case as the indirect object of the main verb.