1. prune <=====> plum (同源词,Change of pr- to pl- is peculiar to Germanic.)
2. prune <=====> preen.
3. 谐音“破芦嗯、破芦呢”-----剪破、修剪芦苇。
4. perhaps from pro- + round => *pround => *prund => prun- + -e => prune "cut in a rounded shape in front".
prune 梅子干,李子干来自拉丁语pruna,李子,来自希腊语proumnon,李子。
prune 修剪树枝,裁剪,精减来自古法语proignier,剪枝,给鸟修剪羽毛,来自pro-,向前,rotundus,圆的,词源同round,rotate. 即使圆润,剪掉枝桠,引申词义裁剪,精减等。脱落字母t,习惯性插入字母g.