词根词缀：ento-, ent-

【来源及含义】Greek: within, inside, inner; used as a prefix [used in many words related to anatomy and biology]

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": enter-; fistul-; incret-; inter-; intra-; splanchn-; viscer-.

【同源单词】entacoustic, entoblast, entochondral, entocnemial, entocoel, entocondyloid

词根词缀：per-

【来源及含义】Latin: through, across, over; beyond, by means of

【同源单词】Ad astra per aspera, Ad augusta per angust, Ad perpetuam rei memoriam, Ad virtutem per sapientiam, ampersand, antiperspirant