kako-var. spelling of caco-, repr.Gr. κακο- bad, evil, favoured by many recent writers, esp. in technical terms, or in such as directly represent Gr. words: e.g.kakodaimon, kakodoxy, kakogenesis, kakography, kakotopia, kakotrophy, kakoxenite, etc., and esp.kakodyl(e. Examples of these are very rare before the 19th c., and appear chiefly in its later half. See the words under C.