词根词缀：elasmo-

【来源及含义】Greek: to drive, strike, beat out; general application is "beaten metal, metal plate"

【同源单词】elasmobranch, Elasmosaurus, Elasmotherium

词根词缀：pnigo-, pnig-, pnigmato-, pnigmat-

【来源及含义】Greek: choke, stifle, smother

【同源单词】pnigeraphobia, pnigma, pnigomortia, pnigophobia