词根词缀：cen-, ceno-, caen-, caeno-, cain-, caino-, kain-, kaino-

【来源及含义】Greek: new, recent, fresh

【相关词根词缀】Cross references of word families related to: "new, recent": ne-, neo-; nov-, novo-.

【同源单词】Caenogaea, caenogenesis, caenogenetic, caenozoic, cainophobia, cainozoic

词根词缀：-cene

【来源及含义】Greek: a suffix; new, denotes certain "recent" eons when naming geological periods

【同源单词】Eocene, Oligocene, Paleocene, Pleistocene, Pliocene

词根词缀：eo-, eoso-, eos-

【来源及含义】Greek: dawn [east], daybreak; early; primarily used to indicate "early, primeval"

【同源单词】eoan, Eoanthropus, eobiogenesis, eobionts, Eobrontosaurus, Eocene