Where does “resplendent” come from?

I appreciate the detailed instructions, but I need to flag an issue: the etymology chain provided doesn't match the headword. The chain traces "splendish" from Latin roots, but the headword is "resplendent," which has the prefix "re-" that isn't accounted for in your chain. Could you clarify whether: 1. The headword should be "splendish" (matching the chain), or 2. The chain should begin with "resplendent" and trace back through its full etymology? Once confirmed, I'll write the one-sentence summary following your rules exactly.

resplendent (English): Shiny and colourful, and thus pleasing to the...