1. Important derivatives are: plover, pulmonary, pneumonia, Pluto, flow, flood, fly1 fly2 flee, fledge, flight1 fowl, fleet1 fleet2 float, flutter, flit, fluster
重要派生词为： plover， pulmonary， pneumonia， Pluto， flow， flood， fly1 fly2 flee， fledge， flight1 fowl， fleet1 fleet2 float， flutter， flit， fluster
2. To flow.
流动，畅流.
3. Basic form *pleu- .
基本形式*pleu- .
4. (plover ), ( pluvial ), pluvious , from Latin pluere , to rain.
(plover ), ( pluvial ), pluvious , 源自 拉丁语 pluere , 下雨.
5. pleuston , from Greek pleusis , sailing.
pleuston , 源自 希腊语 pleusis , 航行.
6. Suffixed zero-grade form *plu-elos . pyelitis , from Greek dissimilated puelos , trough, basin.
添加后缀的零级形式 *plu-elos . pyelitis , 源自 希腊语 dissimilated puelos , 水槽, 盆子.
7. Suffixed form *pl(e)u-mon- , “floater,” lung(s).
添加后缀的形式*pl(e)u-mon- , “漂浮物,” lung(s).
8. pulmonary , from Latin pulm? (N *plumon?s ), lung(s);
pulmonary , 源自 拉丁语 pulm? (N *plumon?s ), 肺;
9. pneumo- , pneumonia , pneumonic , from Greek pleum?n , pneum?n (influenced by pneuma , breath; see pneu- ), lung.
pneumo- , pneumonia , pneumonic , 源自 希腊语 pleum?n , pneum?n (influenced by pneuma , 呼吸; 参见 pneu-), 肺.
10. Suffixed o-grade form *plou-to . Pluto ; plutocracy , plutography , from Greek ploutos , wealth, riches (N “overflowing”).
添加后缀的O级形式*plou-to . Pluto ; plutocracy , plutography , 源自 希腊语 ploutos , 财富, 财产(N “超值，泛滥”).
11. Lengthened o-grade form *pl?(u)- .
变长级的O级形式*pl?(u)- .
12.
13. flow , from Old English fl?wan , to flow;
flow , 源自 古英语 fl?wan , 流动;
14. flue 2 , from Middle Dutch vluwe , fishnet, perhaps from pleu- . Both (i) and (ii) from Germanic *fl?wan , to flow;
flue 2 , 源自 中古荷兰语 vluwe , 鱼尾板, 可能源自 pleu- . (i) 和 (ii) 都源自 日耳曼语 *fl?wan , 流动;
15. suffixed form *pl?-tu- . flood , from Old English fl?d , flood, from Germanic *fl?duz , flowing water, deluge.
添加后缀的形式 *pl?-tu- . flood , 源自 古英语 fl?d , 洪水, 源自 日耳曼语 *fl?duz , 流动的水流, 泛滥.
16. Extended form *pleuk- .
衍生形式 *pleuk- .
17. fly 1 , from Old English fl?ogan , to fly, from Germanic *fleugan , to fly.
fly 1 , 源自 古英语 fl?ogan , 飞翔, 源自 日耳曼语 *fleugan , 飞.
18. fly 2 , from Old English fl?oge , a fly, from Germanic *fleug?n- , flying insect, fly.
fly 2 , 源自 古英语 fl?oge , a fly, 源自 日耳曼语 *fleug?n- , 飞虫, 苍蝇.
19. flee , from Old English fl?on , to flee, from Germanic *fleuhan , to run away, probably from pleu- .
flee , 源自 古英语 fl?on , to flee, 源自 日耳曼语 *fleuhan , 离开，逃走, 可能源自 pleu- .
20. fley , from Old English fltgan , fl?gan , to put to flight, from Germanic causative *flaugjan .
fley , 源自 古英语 fltgan , fl?gan , 迫使溃逃, 源自 日耳曼语 causative *flaugjan .
21. flèche , fletcher , from Old French fleche , arrow, from Germanic suffixed form *fleug-ika .
flèche , fletcher , 源自 古法语 fleche , 箭, 源自 日耳曼语 添加后缀的形式 *fleug-ika .
22. Zero-grade form *pluk- .
零级形式*pluk- .
23. fledge , from Old English *flycge , with feathers (only in unfligge , featherless), from Germanic *flugja- , feather;
fledge , 源自 古英语 *flycge , 有羽毛的 （仅在 unfligge , 无羽毛的）, 源自 日耳曼语 *flugja- , 羽毛;
24. flight 1 , flight 2 , from Old English flyht , act of flying, and *flyht , act of fleeing, escape, from Germanic suffixed form *flug-ti- ;
flight 1 , flight 2 , 源自 古英语 flyht , 飞行, 和 *flyht , 逃跑的行动, 逃亡, 源自 日耳曼语 添加后缀的形式 *flug-ti- ;
25. fowl , from Old English fugol , bird, from Germanic *fuglaz , bird, dissimilated from possible (but unlikely) suffixed form *flug-laz ;
fowl , 源自 古英语 fugol , 鸟, 源自 日耳曼语 *fuglaz , 鸟, 可能不同于（但不太可能） 添加后缀的形式 *flug-laz ;
26. flügelhorn , fugleman , from Middle High German vlügel , wing, from Germanic suffixed form *flug-ila .
flügelhorn , fugleman , 源自 中古高地德语 vlügel , 翅膀, 源自 日耳曼语 添加后缀的形式 *flug-ila .
27. Extended form *pleud- .
衍生形式 *pleud- .
28. fleet 1 , fleet 2 , from Old English fl?otan , to float, swim (from Germanic *fleutan ), and Old Norse fli?tr , fleet, swift (from Germanic *fleutaz ).
fleet 1 , fleet 2 , 源自 古英语 fl?otan , 漂流, 漂浮 （源自 日耳曼语 *fleutan ), 和 古斯堪的纳维亚语 fli?tr , 港湾, 褐雨燕 （源自 日耳曼语 *fleutaz ).
29. Zero-grade form *plud- .
零级形式*plud- .
30.
31. float , from Old English flotian , to float;
float , 源自 古英语 flotian , 浮动，飘;
32. flotsam , from Old French floter , to float. Both (i) and (ii) from Germanic derivative *flot?n , to float;
flotsam , 源自 古法语 floter , 浮动. (i) 和 (ii) 源自 日耳曼语 派生词 *flot?n , 漂浮，漂流;
33. flotilla , from Old Norse floti , raft, fleet;
flotilla , 源自 古斯堪的纳维亚语 floti , 救生艇, 舰队;
34. flutter , from Old English floterian , flotorian , to float back and forth ( -erian , iterative and frequentative suffix);
flutter , 源自 古英语 floterian , flotorian , 四处飘荡( -erian , 表示反复的后缀）;
35. flit , from Old Norse flytja , to further, convey, from Germanic *flutjan , to float. a, b, c, and d all from Germanic *flut- , *flot- .
flit , 源自 古斯堪的纳维亚语 flytja , 促进, 传达, 源自 日耳曼语 *flutjan , 漂浮. a, b, c, 和 d 都源自 日耳曼语 *flut- , *flot- .
36. fluster , probably from a Scandinavian source akin to Icelandic flaustr , hurry, and flaustra , to bustle, from Germanic *flausta- , contracted from suffixed form *flaut-st3- , probably from *pleud- , o-grade *ploud- .
fluster , 可能源自 斯堪的纳维亚语 ，类似于 冰岛语 的 flaustr , 匆忙, 和 flaustra , 奔忙，催促, 源自 日耳曼语 的 *flausta- , 缩约于添加后缀的形式 *flaut-st3- , 可能源自 *pleud- , O级 *ploud- .
pleu的词源：
37. Pokorny pleu- 835, pl(e)u-mon- 837.
波科尔尼pleu- 835, pl(e)u-mon- 837.