levo-Wiktionary 原文演变路径（由近及远）英语源自 ←拉丁语 laevus源自 ←原始印欧语 *leh₂iwos词源说明From Latin laevus (“left”).释义（英文）前缀 PrefixLeft; on the left; toward the left.(chemistry) Denoting a levorotatory form of an enantiomer.