jezgru
Jezgru is a form of the noun jezgro, used in several South Slavic languages to refer to the core, nucleus, or central part of something. The base term jezgro denotes the central part in both physical objects and abstract concepts, and jezgru appears as a grammatical inflection of that noun in contexts that require a specific case.
In language use, jezgro covers a range of senses from literal cores of objects to metaphorical centers
The word is found in interdisciplinary discussions, including physics, chemistry, computer science, and social sciences, wherever
Despite its linguistic versatility, jezgru rarely functions as a standalone proper noun. It is primarily a