The spelling of the name "Fredy" can be quite confusing, as it doesn't follow the traditional English spelling rules. In phonetic terms, it is spelled as /ˈfrɛdi/ with stress on the first syllable. The "e" represents the short "e" vowel sound, while the "y" at the end is a common variation of the spelling of "ie". This name is often used as a nickname for "Frederick" or "Alfred", and the spelling of "Fredy" is simply a personal preference.
The word "Fredy" is derived from the given name "Fred" or "Freddie", which are both diminutives of the name "Frederick". "Frederick" itself is derived from the Old High German name "Frithuric", combining the elements "fridu" meaning "peace" and "ric" meaning "ruler" or "king". Over time, "Fredy" became a shortened form or nickname for individuals with the name Frederick or any of its variations.