Eingangs
Eingangs is the genitive singular form of the German noun Eingang, which means entrance or doorway. It is used to express possession or a close relation to an entrance, for example: die Tür des Eingangs (the door of the entrance) or das Licht des Eingangs (the light at the entrance).
In everyday language, the genitive form des Eingangs appears most often in formal writing, legal or architectural
Beyond its role as a genitive form, Eingangs also functions as a prefix in many compound nouns
Notes and usage: Eingangs is not generally used as an independent noun. The basic noun remains Eingang,