The expression signifies a whole lack of expertise. When somebody says one thing is Greek to them, they imply it’s incomprehensible, just like listening to a language they have no idea. For instance, a fancy physics equation may be “Greek” to somebody and not using a science background.
The phrase’s historic roots will be traced again to medieval Latin. Its enduring utilization highlights the human expertise of encountering data or topics which might be totally past one’s grasp. Its worth lies in its succinct conveyance of incomprehension, serving as a relatable idiom throughout varied fields and contexts.