gebautem
Gebautem is a form of German used as an attributive adjective, derived from the past participle gebaut (to build). It does not function as a standalone noun or verb; rather, it marks a noun as “built” or “constructed” when the participle is declined for the dative singular masculine or neuter. In German, adjectives that describe a noun after a determiner or in a prepositional phrase follow standard declension rules, so the ending of the adjective changes with case, gender, and article.
In practice, gebauten or gebautem appear in contexts where the noun is in the dative case and
Semantically, gebauten denotes that the noun has already undergone construction or formation relative to the context,
See also: German adjective declension, past participles used as adjectives, bauen (to build).