I believe you are referring to "EXTRADITION."
It is called Cross Contact. It can also be called Cross Contamination.
Cross over FROM where TO where?
cross-contamination
Jesus was killed on the cross on a hil called Golgotha. The cross was punishment for top criminals, It was brought by the Romans from Asia Minor , todays Turkey.
It can also be called a genetic cross
One I noticed online was this fact: There is another crossed shaped constellation close to the Southern Cross called the "False Cross"
When bacteria from one food items gets onto another food item it is called cross-contamination.
parallel lines
Cross-contamination
cross-contamination
cross multiply
cross-contamination