This is the 5328th most frequent Russian word.
особом
"Особом" means "special" or "particular" in English.
In this sentence, 'особого' is used as an adjective meaning 'special,' modifying the noun 'подхода' (approach).
Этот случай требует особого подхода.
This case requires a special approach.
Here, 'особом' functions as an adjective in the prepositional case, modifying the noun 'месте' (place).
Я сохраняю эти документы в особом месте.
I keep these documents in a special place.
In this example, 'особом' is an adjective in the prepositional case describing 'значении' (significance).