This is the 2000th most frequent Polish word.
fizycznego
"Fizycznego" means "physical" in English.
Here, 'fizycznego' is associated with health, describing a type of health as 'physical'.
Mam problemy z aspektem fizycznego zdrowia.
I have problems with the aspect of physical health.
In this case, 'fizycznego' is part of a descriptive phrase referring to a physical aspect or dimension.
Dotknął on wymiaru fizycznego w tej sprawie.
He touched upon the physical dimension of this matter.
Here, 'fizycznego' describes the type of contact, specifically distinguishing it as 'physical'.