词根：-dur-

【词根含义】：坚固,持久

【词根来源】：来源于拉丁语动词duro, durare, duravi, duratus(坚固,持久)。

【同源单词】：dour, durability, durable, durance, duration

前缀：ob-

【词根含义】：相反;离开;对面;在...上面;来,临近;加强意义

【同源单词】：obdurate, obedience, obey, object, objection

词根词缀：duro-, dur-, dura-

【来源及含义】Latin: hard [as wood], lasting; thick, tough

【同源单词】dour, dourly, dourness, dura mater, durability, durable

词根词缀：ob-2

【来源及含义】Latin: against

【相关描述】Before c, ob- becomes oc-; before f, ob- becomes of-; before g, ob- becomes og-; before p, ob- becomes op-; before m, ob- becomes o-

【同源单词】obduracy, obdurate, object, objection, objectionable, objective