The spelling of the word "Fishfag" might seem confusing at first, but it can be traced back to its origin. The word is a British slang term used to describe someone who sells fish. The "fag" part of the word is derived from the old English word "fagot", which referred to a bundle of sticks used as fuel. The modern pronunciation follows the IPA phonetic transcription of /fɪʃfæɡ/. It is important to note that the term is considered offensive and should be avoided in polite conversation.