Costning
Origin
From Middle English costning, costnunge, from Old English costnung ("temptation, testing, trial, tribulation"), from Old English costnian, variant of Old English costian ("to tempt, try, prove, examine"), from Proto-Germanic *kustÅnÄ… ("to try, taste"), from Proto-Indo-European *geus- ("to enjoy, taste"), equivalent to cost + -ing. Cognate with German kosten ("to taste"). Related to choose.