汉： 来源于拉丁语，意为“after,behind”。post 与前缀ante意思相反，这里的post不是“mailing”“邮件”的意思，而是意为“after”。此外，poster(posterior,posterity)意为“coming after”。
英：word-forming element meaning "after," from Latin post "behind, after, afterward," from *pos-ti (cf. Arcadian pos, Doric poti "toward, to, near, close by;" Old Church Slavonic po "behind, after," pozdu "late;" Lithuanian pas "at, by"), from PIE *po- (cf. Greek apo "from," Latin ab "away from").

1.posthumous
adj.after death;often said of writings published after the author's death;born after the death of its father 死后的：作为遣腹子出生的,hum=earth
What value is there for the poerson receiving a posthumous award?
列后才获奖对那个人有什么意义呢？
2.postlude
n.the closing piece on the program 终曲 lud=play
Except for the postlude,the show essentially over.
除了终曲，展览实际已经结束
3.postmortem
adj.made after death 验尸的，mort=death
he conducted the postmortem examination of the victim's body.
他对受害者的遗体进行了检验。
4.postscrip
n.a note added to a letter after it has been signed 附言，记后。
script=write
If you have anything to add to the letter,just put it in a postscript marked "p.s".
如果你在信中还有需要附加内容，只需要以“p.s”作为标记写在附言中即可。