Perusmestari
Perusmestari is a Finnish term that translates to "basic master" or "foundational master." It is often used in a casual or semi-formal context to describe an individual who possesses a deep and thorough understanding of fundamental principles or skills within a particular field. This mastery goes beyond superficial knowledge and implies a comprehensive grasp of the core elements that underpin a subject.
The term "perusmestari" can be applied to a wide range of areas, from practical skills like cooking
In essence, a perusmestari is someone who has mastered the essentials. They are not necessarily innovators