Kellossa
Kellossa is the inessive singular form of the Finnish noun kello, meaning clock or watch. In Finnish grammar, the inessive case denotes location “in” or “inside,” so kellossa is used to indicate something is located inside a clock or within the interior of a clock-like object.
In practical use, kellossa can appear in technical or descriptive contexts where the interior of a clock
Notes on usage and style: kellossa is formed by adding the inessive ending -ssa to the noun
There is no widely established meaning of kellossa outside of Finnish grammar, and it should not be