forefingerWiktionary 原文中文来自 ECDICTn.食指构词拆分fore-前缀Before with respect to time; earlier. · Before with respect to position: front, ahead, leading, anterior.+finger词根/词干演变路径（由近及远）英语继承自 ←中古英语 forefynger词源说明Mid-15th century, from Middle English forefynger; equivalent to fore- + finger.释义（英文）名词 Noun(human anatomy) The index finger: the first finger next to the thumb.