Gospel translated an idea into English: good news.
Old English gōdspel joins good and tale. It translated a religious term into English components, giving the idea of good news. Its shorter modern spelling makes the two pieces harder to spot.
Middle English is omitted as a separate stage.
Sources
- Merriam-Webster: gospel
Word History and Kids Etymology identify the components and translation.
- Online Etymology Dictionary: gospel
The first element of Old English godspel is gōd, the word good.