an expression of credit or praise for an achievement: a common usage objected to by many: he received many kudos for his charity work
Origin of kudoback-formation from kudos, erroneously interpreted as a plural
Usage Problem A praising remark; an accolade or compliment: “Children's book author Virginia Hamilton added another kudo to her prize-laden career” ( Calvin Reid ) See Usage Note at kudos.
Origin of kudoBack-formation from kudos
Back-formation from kudos, as if it were a plural with -s.