gestohlenem
Gestohlenem is the dative singular masculine or neuter form of the German past participle "gestohlen". "Gestohlen" itself is the past participle of the verb "stehlen", which means "to steal". Therefore, "gestohlenem" translates to "stolen" in English when used in a specific grammatical context.
The dative case in German is used to indicate the indirect object of a verb or preposition.
The meaning of "gestohlenem" is always that of something that has been unlawfully taken. This applies regardless