If you still have your 2022 chat history, search for "Oct 22 2022" in WhatsApp to see the original conversation it was attached to.
If you found this file while cleaning your storage and aren't sure what it is, ask your circle.
WhatsApp often compresses videos. If you need a higher quality version, you may need to ask the original sender for the uncompressed file .
Option 2: The "Help Me Identify This" Post (Community/Group)