Obs. In 1 costnian, 3 costnen. [OE. costnian, a subsidiary form of costian to try, tempt. The inserted n appears also in costnere and costnung = costere, costung. OE. costian was Com. Teut. = OS. costôn, OHG. kostôn (MHG. and mod.G. kosten), Icel. kosta; f. kostuz trial: see COST sb.1] trans. To try.
c. 1205. Lay., 24669. Bute he icostned [c. 1275 ifonded] weoren þrie ine compe.
