constriction

nouns

a narrowing that reduces the flow through a channel
is derived from
tight or narrow compression
is derived from
a tight feeling in some part of the body
"he felt a constriction in her chest"; "she felt an alarming tightness in her chest"; "emotion caused a constriction of his throat"
the action or process of compressing
is derived from
is a type of (narrower)
applying pressure