| 释义 | 
		ana- prefix or an-  Etymology: Medieval Latin, from Latin ana- & Late Latin an-, from Greek ana-, an-, from ana up, on — more at on 1.  : up : upward  < anode >  < Anacardium > 2.  : back : backward  < ananym > 3.  : again : anew  < anagenesis > 4. usually ana-, chemistry, usually italic  : having substituents in positions 1 and 5 in two fused 6-membered rings (as in naphthalene, quinoline) |