Word Origin & History
courteouslate 13c., from O.Fr. curteis "having courtly bearing or manners," from curt "court" + -eis, from L. -ensis. In feudal society, also denoting a man of good education (hence the name Curtis). Medieval courts were associated with good behavior and also beauty; e.g. Ger. hübsch "beautiful," from M.H.G.
hübesch "beautiful," originally "courteous, well-bred," from O.Franconian hofesch, from hof "court."