汉：来源于希腊语，意为“many”,有异形同义前缀：multi-, pleio- 多。

英：word-forming element meaning "many, much," from Greek poly-, combining form of polys "much" (plural polloi); cognate with Latin plus, from PIE root *ple- (cf. Sanskrit purvi "much," prayah "mostly;" Avestan perena-, Old Persian paru "much;" Greek plethos "people, multitude, great number," pleres "full," polys "much, plenty," ploutos "wealth," plethein "be full;" Lithuanian pilus "full, abundant;" Old Church Slavonic plunu; Gothic filu "much," Old Norse fjöl-, Old English fela, feola "much, many;" Old English folgian; Old Irish lan, Welsh llawn "full;" Old Irish il, Welsh elu "much"); probably related to root *pele- (2) "to spread." In chemical names, usually indicating a compound with a large number of atoms or molecules of the same kind (cf. polymer).

1.polyandry
n.custom of having more than one husband at the same time.一夫多妻制度.andr=man
She made no secret of her polyandry intentions.
她并不掩饰自己想拥有多少丈夫的意图。

2.polygamist
n.man who practices polygamy 多配偶者 poly=many,gam=marrange
His job as an airline pilot made it possible for him to be a polygamist without either wife knowing about the other.
航空公司飞行员的工作使他具备了一夫多妻的条件，他的两个妻子永远也不会知道彼此的存在。

3.polygon
n.plane figures with many srtaight sides 多角形，多边形
The polygon designs on the shirt caught his eye.
这件衬衫上的多边形设计吸引了他的眼睛。

4.polytheism
n.belief in more than one God 多神教（论）poly=many,the =theo=God
Polytheism was among all ancient culture.
在所有古代文化中几乎都存在多神教。