漢：來源于希臘語，意為“many”,有異形同義前綴：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.
她并不掩飾自己想擁有多少丈夫的意圖。

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.
航空公司飛行員的工作使他具備了一夫多妻的條件，他的兩個妻子永遠也不會知道彼此的存在。

3.polygon
n.plane figures with many srtaight sides 多角形，多邊形
The polygon designs on the shirt caught his eye.
這件襯衫上的多邊形設計吸引了他的眼睛。

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