"coagulated or thickened part of milk," c. 1500, metathesis of crud (late 14c.), which originally was "any coagulated substance," probably from Old English crudan "to press, drive," perhaps via ancestor of Gaelic gruth (because cognates are unknown in other Germanic or Romance languages) from a PIE *greut- "to press, coagulate."
)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}