contusion

nouns

an injury that doesn't break the skin but results in some discoloration
bruise, contusion
the action of bruising
"the bruise resulted from a contusion"
contusion
is derived from
contuse
is a type of (narrower)
the act of contacting one thing with another
"repeated hitting raised a large bruise"; "after three misses she finally got a hit"
hit, hitting, striking