[gēn yuán]
source; origin; grass roots; root; fountain; fountainhead; radix; bottom
									
										social roots
										社会根源
									
									
									
										ideological root-cause
										思想根源
									
									
									
										historical roots
										历史根源
									
									
									
										It has its source in envy [jealousy].
										它的根源在于嫉妒。
									
									
									
										Uncleanliness is the root of various diseases.
										不注意清洁是各种疾病的根源。