词根词缀：cranio-, crani-, cran-

【来源及含义】Greek > Medieval Latin [c.700-c.1500]: head, skull

【同源单词】acrania, aegicrania, amphicrania, attached craniotomy, auriculocranial, bucranium

词根词缀：epi-, ep-

【来源及含义】Greek: above, over, on, upon; besides; in addition to; toward; among

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.

【同源单词】anepigraphous, cotyledon, endoepidermal, ephemeral, epibasal, epibasidium

词根词缀：-um

【来源及含义】Greek > Latin: a suffix that forms singular nouns

【相关描述】Here are just a few of the hundreds of words that end with -um.

【同源单词】abandum, abortorium, absorption spectrum, acropodium, actinium, acute delirium