词根：port = share 分
来源于拉丁语 portionem 意为share 分，它的同形异义词根是：port 运送, 携带；门。
同源词：
1. apportion [给某物分份ap<ad(=to) +portion(=share)]
vt. 分配；分摊
apportionment n.分配；分摊
The judge apportioned the estate in equal shares to the survivors. 法官将财产分给了幸存者。
2. disproportion
n.不均衡，不均等 *dis(=not), pro(=according to)
disproportion in age 年龄的不均衡
3. disproportionate
adj.不均衡的，不成比例的 *dis(=not), pro(=according to)
pay that is disproportionate to the work done 与所做工作不成比例的薪水
4. proportion
n. 比例，比率；协调，均衡；部分，份儿；(pl.)面积；容积以使均衡；使协调；使成比例 *pro(=according to)
proportion of the expenditure to the income 支出占收入的比例
room of good proportions 布置得很协调的房间
large proportion of the earth's surface 地球表面的一大部分
a ship of majestic proportions 大容积轮船
direct/inverse proportion 正/反比例
5. proportional
adj. 成比例的；均衡的，协调的
proportionate(=proportional)
proportional representation 比例代表制
6. portion
n.一块；部分；份儿；（食物的）一人份；命运以划分，分配，分份
a portion of land 一块土地
a portion Of roast duck 一人份的烤鸭
词根：part, port = part, divide, 表示“部分, 分开”
partake v. 参与；分享（part+take 拿→拿一部分→分享；参与）
partial a. 部分的；有偏见的（part+ial)
impartial a. 公正的（im无+partial有偏见的→无偏见的）
particle n. 微粒，极少量（part+icle小东西→一小部分→少量）
particular a. 特别的；各自的（part+icuar有…的→有自己的部分→特别的）
partition n. 分开，划分（part+ition→[分成]部分）
partisan n. 党徒；偏见者（parti[party党]，一部分+san→党人→党徒）
apartment n. 公寓（a+part+ment→[楼房]分出的一部分→公寓）
counterpart n. 相对物；副本（counter相对应+part→对应的一部分→对应的人或物）
departe v. 离开（de分开→part→部分分开→离开）
department n. 部门；（大学）系（de下面+part+ment→下面的部分→部门；系）
impart v. 传授；告知（im进入+part→进入知识的一部分→传授）
impartible a. 不可分的（im不+part+ible→不能分成部分的）
participate v. 参加，参与（parti+cip进入+ate→进入一部分→参加）
partner n. 合作伙伴（part+ner人)
portion n. 部分，一般（port+ion→一部分）
apportion v. 分配，分摊（ap成为+port+ion→把整体分成部分→分配）
proportion n. 比例，成分（pro前面+port+ion→成分其中一部分→[所占]比例）
disproportional a. 不成比例的（dis 不+proportion比例+al)
后缀：-ate ②[形容词后缀]
表示有...性质的、如...形状的、具有...的
lineate 有线，划线的
determinate 确定的
roseate 玫瑰似的
fortunate 幸运的
considerate 考虑周到的
proportionate 成比例的
collegiate 大学的，学院的
private 私人的
passionate 热情的
词根词缀：corne-, corneo-
【来源及含义】Latin: horny, hornlike; horny [tissue] pertaining to the cornea, the horny transparent anterior portion of the external covering of the eyes
【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; eye, eyes; irido-; lenti-, lens-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.
【同源单词】cornea, corneal, corneas, corneoblepharon, corneous, iridocorneosclerectomy
词根词缀：harmon-
【来源及含义】Greek > Latin: a fitting together, joining, proportion, concord, agreement, musical harmony
【同源单词】anharmonic, contraharmonical, disharmonic, disharmonious, disharmonize, disharmony
词根词缀：irido-, irid-, iri-, iris-
【来源及含义】Greek: iris [relating to the eye]; the rainbow; colored circle, colored portion of the eye [originally, "something bent or curved"]
【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; lenti-, lens-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.
【同源单词】iridaceous, iridadenosis, iridalgia, iridauxesis, iridectasis, iridectome
词根词缀：jejuno-, jejun-
【来源及含义】Latin: the fasting [intestine], the portion of the small intestine between the duodenum and the ileum [so named because early anatomists typically found this organ to be empty in dissection]; original meaning, "hungry, not partaking of food"
【同源单词】duodenojejunostomy, esophagojejunogastrostomosis, esophagojejunoplasty, esophagojejunostomy, jejunal, jejunectomy
词根词缀：orb-, orbito-
【来源及含义】Latin: rut or track made in the ground by a wheel; circle, ring, round surface, disk
【相关描述】Also used in its extended anatomical sense as, "the portion of the skull immediately surrounding the eye".
【同源单词】anteorbital, deorbit, exorbitance, exorbitancy, exorbitant, exorbitantly
词根词缀：oscheo-, osche-
【来源及含义】Greek: scrotum; a combining form denoting relationship to the scrotum or the pouch of skin which contains the testes, epididymides, and lower portions of the spermatic cords
【同源单词】orchioscheocele, oscheal, oscheitis, oschelephantiasis, oscheocele, oscheohydrocele
词根词缀：sesqui-
【来源及含义】Latin: one and a half; normally used as a prefix; from Latin, semis “half” + que “and”
【相关描述】In chemistry, three atoms or equivalents of the [specified] element or radical are combined with two of another, as in iron sesquioxide, Fe 2O3. Also defined as the proportion of two (of one radical or element) to three (of another).
【同源单词】hippopotomonstrosesquipedalian, hippopotomonstrosesquipedalianism, hippopotomonstrosesquipedalianist, hippopotomonstrosesquippedaliophobia, hyperpolysyllabicsesquipedalianist, sesquialteral