subpoena
noun
[ səˈpiːnə ]
• a writ ordering a person to attend a court.
• "a subpoena may be issued to compel their attendance"
subpoena
verb
• summon (someone) with a subpoena.
• "the Queen is above the law and cannot be subpoenaed"
Origin:
late Middle English (as a noun): from Latin sub poena ‘under penalty’ (the first words of the writ). Use as a verb dates from the mid 17th century.