词根：pass = to stride, to step
来自拉丁语的pass 意为to stride,to step。此外，pass 也有to feel的意思，注意区分。
（*拉丁文pasus(=pace),古代法文passer(=to pass) —— 英文根字典）
同源词：
1. encompass（使一起大步走en(=make) + com(=together) + pass(=stride,step)）
vt.包围；围绕，包围
encompassment n.围绕，包围；包括
My CD collection encompasses a wide range of musical genres. 我收集CD里音乐的类型很广泛。
2. impassable（不能大步超过或路过的im<in(=not) + pass(=stride,step)）
adj.不能通行（通过）的；不可逾越的
impassability n.不能通行
Many of the highest mountain passes are impassable in winter. 在冬天高山上的很多通路无法通行。
3. impasse（不能路过或超过的状态im<in(=not) + pass(=stride,step)）
n.死胡同；绝境；僵局，困境
Professional mediators can help negotiators resolve an impasse. 专业仲裁人员能够帮助谈判者打破僵局。
4. trespass（超过去大步走tres<trans(=over,across) + pass(=stride,step)）
vi. 侵入（他人的土地等）；侵害（他人的权利等）；冒犯；侵犯
n.侵入，侵害；打扰，妨碍；宗教、道德上的罪过
trespasser n.侵害者；侵入者
Your cattle keep trespassing onto my land,and i'm tired of it. 你的牛总是不断地侵入我的土地，我真是烦透了。
5. compass
n.指南针；界限，范围；(pl.)（一般制图用的）圆规 *com(=together)
beyond the compass of the human mind 超出人类的智力范围
6. surpass
v.优于，胜过 *sur(=over)
surpassing adj.无与伦比的，超群的
of surpassing beauty 出众地美丽的
surpassingly adv.超群地
surpassingly ugly 极其丑陋
7. passable
adj.可通行的；尚可的
passable knowledge of German 尚可的德语知识
8. passage
n.通过，通行；通道，走廊，过道；航海；旅行；（议案的）通过；（从演讲或文章中节选的很短的）一段；(pl.)（双方的）交换的言辞；争论；打斗
passageway n.通道
passage of time 时间的流逝
passage of a bill 议案的通过
some passages from Shakespeare 莎士比亚作品某些选段
have angry passages with an opponent during a debate 在辩论中与对手恶言相向
9. passenger
n.乘客；旅客；（球队中或乘务员中）不积极的人
10. passing
adj.经过的，路过的；短暂的，一时的 n.通过；经过
passing years 流年岁月
passing of the old year 阵年流逝
11. pass
v. 通过；经过；传递；使及格；度过
n.经过；及格；通行证；隘口；传球
12. passover
n.逾越节（献祭之羊）《over= 越过》
13. pasport
n.护照；达成目的的手段
14. overpass
v. 越过；超越；违反
n.天桥；陆桥（从上面经过）《over- = above》
15. repass
v. 再通过；再经过《re- = again》
16. underpass
n.地下之通路（尤其指公路、铁路）
17. passe
adj.已过全盛期的；过时的，阵旧的
18. passer-by
n.过路人，路人
19. pastime
n.娱乐，游戏，消遣
her favorite pastime 她最喜欢的游戏
词根词缀：meato-, meat-, mea-
【来源及含义】Latin: opening or passageway in the body, bodily opening or canal; to go, to pass, passage
【相关词根词缀】 A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": alveolo-; antro-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; ora-; parieto-; poro-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.
【同源单词】impermeable, irremeable, meatal, meatomastoidectomy, meatome, meatometer
词根词缀：poro-, por-, pori-
【来源及含义】Greek > Latin > Old French: passageway, used primarily as "a pore, a small orifice"; opening; cavity, tract
【相关词根词缀】 A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": alveolo-; antro-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.
【同源单词】cerebral poroma, closed pores, cryptoporous, eccrine poroma, open porosity, osteoporosis
词根词缀：valvulo-, valvul-
【来源及含义】Latin: a doorlike structure in a passageway that hinders or prevents the reflux or flowing back of its contents
【同源单词】bivalve, bivalved, bivalvular, cardiovalvulitis, equivalve, equivalvular