词根：rod, ros = to gnaw（咬；啮）

  rod,ros来源于拉丁语的rodere（to gnaw）—— 英文字根字典

同源词：

1. rodent
  n.啮齿类 adj.啮齿类动物的；咬的；啮的

2. rodenticide
  n.灭鼠药《cide = to cut》

3. corrode
  v.腐蚀；侵蚀（彻底地咬）《cor- = com- = thoroughly》

4. corrosion
  n.腐蚀；侵蚀；（心神的）损伤

5. corrosive
  adj.腐蚀的；侵蚀的 n.腐蚀性物质

6. erode
  v.腐蚀；侵蚀（咬去；咬掉）《e- = ex- = out》

7. erosion
  n.腐蚀；侵蚀；冲蚀

8. erosive
  adj.腐蚀的；侵蚀的

词根词缀：gangren-

【来源及含义】Greek: an eating, or gnawing, sore ending in mortification, necrosis, or the death of bodily tissue; usually the result of ischemia or the loss of blood supply to the affected area, bacterial invasion, and subsequent putrefaction

【同源单词】dry gangrene, gangrenate, gangrene, gangrenosis, gangrenous, gangrenous cellulitis

词根词缀：rod-, ros-

【来源及含义】Latin: gnaw, eat away; eaten away, gnawed off, consumed

【同源单词】corrode, corrodible, corrosion, corrosive, erode, eroded

词根词缀：troglo-, trogl-

【来源及含义】Greek > Latin: cave; thriving in caves; cave dweller

【相关描述】The Greek troglo- also means, "one who creeps into holes" and "a hole formed by gnawing".

【相关词根词缀】 Related "cave, cavern" word sources: cav-, cavern; speleo-; spelunc-, spelunk-; stalac-, stalag-.

【同源单词】Nannus troglodytes, Troglichthys rosae, troglobiont, troglobiotic, troglobite, troglobitic