Cleopatra fell in love with Julius Caesar, but he was murdered by his nephew and successor, Octavian.

successor 是由动词 succeed（继承、接替）加上后缀 -or 构成的名词，表示"接替者、继任者"。succeed 本身由前缀 suc-（表示"在...之后"）和词根 ceed（走）组成，字面意思是"随后跟上"。 在句中指屋大维作为凯撒的政治继承人，接替了他的权力和地位。