illusion：虚幻

il-,进入，使，-lus,玩乐，玩耍，词源同ludic,elude,elusive.引申词义玩弄，欺骗，虚幻。

illusion：错觉，幻想，错误观念；假象  

来源于拉丁语中由前缀in-(朝,向)和动词ludere(玩耍)组成的复合动词illudere(嘲弄,取消)派生的illusio,经古法语在英语中派生了illusion。

词根词缀：il-朝,向 +lus玩耍 + -ion名词词尾

• ligate
• ligature
• ligger
• light
• lighten
• lighter
• light-fingered
• light-footed
• light-headed
• light-hearted
• light industry
• lighting
• lightly
• lightning
• lightning bug
• lightning conductor
• lightning rod
• light pollution
• lightproof
• lightship
• light show
• light water
• light year
• lignite
• lignocaine