"Chordomesoderm" ba kalma ce da ake samu a daidaitattun ƙamus na Turanci ba, amma kalma ce da ake amfani da ita a cikin ilmin halitta don haɓakawa zuwa takamaiman yanki na ƙwayar mahaifa wanda ke haifar da ƙima da wasu lokuta a farkon haɓakar kashin baya. Kalmar "chordomesoderm" ta samo asali ne daga "chord" (yana nufin notochord) da "mesoderm" (ɗaya daga cikin manyan ƙwayoyin cuta guda uku waɗanda ke haifar da yawancin gabobin jiki da kyallen takarda).