漢：來(lái)源于希臘語(yǔ)，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(gè)妻子永遠(yuǎn)也不會(huì)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(shè)計(jì)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。