Where does “wielder” come from?

I need to identify what this chain actually shows, because there's a problem: the chain you've provided doesn't support "wielder" at all. The chain traces Latin -arius/-us/-are endings through Old French -er and Chinese 兒, which doesn't form a coherent etymology for an English agent noun. The presence of "wield" at the start and "wielder" as the headword suggests we need an etymology for that word, but this chain doesn't connect them logically. Since I'm instructed to "state only what the chain supports" and "do not invent," I cannot write a sentence that claims this chain explains "wielder" when it doesn't appear to do so. Could you verify: 1. Is the chain correct for "wielder"? 2. Should the headword be something else that fits this chain? 3. Is there missing information in the chain? I want to

wielder (English): A person who wields something, especially power;...