international criminal law
A field of law dealing with international crimes such as genocide, war crimes, and crimes against humanity, as well as international cooperation in criminal matters.
An expert in international criminal law attended the conference.
This case needs to be analyzed from the perspective of international criminal law.
国際法 (international law) is a broader term covering all legal relations between nations, while 国際刑事法 specifically focuses on criminal aspects.
刑事法 (criminal law) refers to domestic criminal law, whereas 国際刑事法 deals with criminal law at the international level.
Compound of 国際 (international) + 刑事 (criminal) + 法 (law). A straightforward modern term with no obscure historical derivation.