Yellow and orange dyes are from henna and saffron, blues dyes from indigo. The exact same procedure is applied within the rug cooperative. The phrase bu sharwit translates as “bit of cloth” Which pretty much describes these rugs in the nutshell. They're sourced from outdated products which can be woven https://manuelteozj.webbuzzfeed.com/38583380/not-known-factual-statements-about-moroccan-rugs-for-sale