As far as I’m aware you can only search by name of item. Which is a touch unfortunate.
You can head over to https://cdda-trunk.chezzo.com/ and click ‘melee’ in the right column labeled ‘Item Catalogs’ for a list of melee weapons. To my knowledge the item browser pulls directly from code, so it should have everything not mod-created.
It’s not what you’re looking for, exactly, I know, but it’s what I’ve got.
