exemptionの語源とか

 exampt⇒exempt - definition of exempt by the Free Online Dictionary, Thesaurus and Encyclopedia.
 意味は

1. To free from an obligation, a duty, or a liability to which others are subject: exempting the disabled from military service.
2. Obsolete To set apart; isolate.

 語源は

[Middle English exempten, from Old French exempter, from exempt, exempt, from Latin exemptus, past participle of eximere, to take out; see example.]

 というわけで、exampleと同じ。
 取り出して除外するが、exemption。
 取り出して例示するが、example。