"rough, irregular stones broken from larger masses," late 14c., robeyl, from Anglo-French *robel "bits of broken stone," probably related to rubbish [OED], but also possibly from Old French robe (see rob).
rubber
rubberneck
rubbers
rubbery
rubbish
rubble
rub-down
rube
Rube Goldberg
rubella
Rubenesque
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}