Here are some possibilities:
* "Fida" is a Hindi word meaning "devoted" or "in love with". It's often used in the phrase "fida ho jaana," which means "to be completely enamored."
* "Fide" is a word in Hindi related to "trust" or "faith". It is often used in the phrase "fidaa karnaa," which means "to have complete trust in someone".
* "Fidausi" is a rare word, possibly a misspelling of "Fidausi" which refers to the Persian epic poem, Shahnameh, by the poet Ferdowsi.
Please clarify the word you're looking for, and I'll be happy to help further.