rudiment：雏形，萌芽，基本原理，基础

rude,原始的，-ment,名词后缀。引申诸相关词义。

• engender
• engine
• engineer
• engineering
• England
• English
• engorge
• engrave
• engross
• engulf
• enhance
• enigma
• enigmatic
• enjambment
• enjoin
• enjoy
• enjoyable
• enjoyment
• enlarge
• enlighten
• enlightenment
• enlist
• enlisted
• enlistment
• enliven