词根词缀：eso-, es-, eis-

【来源及含义】Greek: inward, into; within

【同源单词】eisodic, eisoptromania, eisoptromaniac, eisoptrophobia, eisoptrophobic, esocataphoria

词根词缀：ethm-, ethmo-

【来源及含义】Greek: strainer, sieve

【同源单词】dacryocystoethmoidostomy, esoethmoid sinus, esoethmoiditis, ethmoid, ethmoidectomy, ethmoiditis