noun / verb
subpoena
suh-PEE-nuh/səˈpiːnə/
A legal order requiring testimony or evidence, or issuing such an order.
The court officer serves a subpoena at the doorway.

Etymology
“Under penalty” opened a writ ordering someone to appear, with punishment threatened for failure to comply. Those opening words became the name of the legal order itself.
In context
you get a subpoena from United States Congress you got to show up
More examples
- They subpoenaed the records.
- Several subpoenas were issued.
- The committee is subpoenaing witnesses.
Forms
subpoena · subpoenas · subpoenaed · subpoenaing