Where does “broad” come from?

I notice the chain provided appears to have inconsistencies (repeated languages, unclear ordering) and doesn't clearly connect to the headword "broad." Additionally, the known meaning is marked as unknown, which makes it impossible to accurately trace sense development. Could you clarify: 1. Is the chain meant to show broad → brode → bride, or should it trace a different path? 2. Should I use only the unique languages in sequence? 3. Can you confirm the oldest attested form and its meaning? Without these clarifications, I cannot write an accurate etymology sentence that meets your standards.

broad (English): Wide in extent or scope; Extended, in the sense...