epencephalonWiktionary 原文构词拆分ep-前缀Alternative form of epi- (“on top of, above”).+encephalon词根/词干演变路径（由近及远）英语借自 ←新拉丁语 epencephalon词源说明From New Latin epencephalon, from ep- + encephalon.释义（英文）名词 Noun(anatomy, archaic) the hindbrain.词族派生词（1）epencephalic