Compound nouns: the last word decides
Erdgeschoss das
Always In 98.9% of 6,721 common compound nouns, the article comes from the last word.
The last part decides the article: das Geschoss, so das Erdgeschoss.
das Erdgeschoss
It's das Erdgeschoss. Erdgeschoss is neuter, plural die Erdgeschosse.
Die Wohnung ist im Erdgeschoss.
The flat is on the ground floor.
Erdgeschoss das
Always In 98.9% of 6,721 common compound nouns, the article comes from the last word.
The last part decides the article: das Geschoss, so das Erdgeschoss.