Question: Where did the christian fish symbol come from?
Disambiguated questions and answers: question: Where did the name for the Christian fish symbol (ichthys or ichthus) come from?
Where did the Christian fish symbol originate?
Where did the meaning of the Christian fish symbol come from?
Where did the letters of the name for the Christian fish symbol (ichthys or ichthus) come from?
answer: Greek
adopted by early Christians as a secret symbol
miracle of the multiplication of the loaves and fishes
the Holy Eucharist
an acronym or acrostic
Natural Questions answer: pre-Christian religious imagery (from the Wikipedia article "Ichthys")