词根词缀：clud-, claud-, claus-, clos-, -clude, -clois, -cluding, -cluded, -clus, -clusion, -clusive

【来源及含义】Latin: to close, to shut

【同源单词】aclusion, aqua exclusa, aquiclude, buccoclusion, clause, claustral

词根词缀：marathon-; and related entries ending in -athon, -thon

【来源及含义】Greek: derived from an ancient villiage in Greece, northeast of Athens; as a result of an important Greek victory over the Persians in 490 B.C.

【同源单词】hackathon, Marathon, marathon, marathon, marathon, marathoner

词根词缀：pend-, -pens, -pense, -pending, -pended

【来源及含义】Latin: hang, hanging; weigh, weighing; to cause to hang down; related to words in this pond- unit.

【同源单词】antependium, append, appendage, appendalgia, appendant, appendectomy