DictionaryRoot: iurare
Latin
iurare
swear or take an oath
Forms
- iurare
- jur- — Later spelling used j for the consonant sound of i.
- jurat- — The form used for completed action.
Origin
Formed from Latin ius, with longer form iur-, “right or law.”
Note
An oath gives a declaration formal force.
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verb
perjure
PUR-jer/ˈpɜːrdʒər/
To deliberately lie while under oath to tell the truth.
Etymology
Here 'away, entirely' combines with 'swear' in a verb meaning 'break one's oath.' That breach is the link to lying while bound by an oath in legal testimony.