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。

• immolate
• immoral
• immortal
• immortality
• immortalize
• immovable
• immune
• immunity
• immunize
• immunodeficiency
• immunology
• immure
• immutability
• immutable
• imp
• impact
• impacted
• impair
• impairment
• impale
• impalpable
• impanel
• imparity
• impart
• impartial