The root 'hemo-' is from the ancient, classical Greek language. The meaning is 'blood'. The equivalent in ancient, classical Latin is 'sangui-'.
It is Greek and it means 'stone'
Contra- is Latin,in Greek it is anti- .
Interruption is from Latin inter "in the midst" and ruptio "a breaking; fracture." Ruptio is from the past participle (ruptus, "broken") of the verb rumpere "to break."
The Latin word foe accident is : you !Hahaha !