You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Szlachta

Context:
Poles of the 17th century assumed that "szlachta" came from the German "schlachten" ("to slaughter" or "to butcher"); also suggestive is the German "Schlacht" ("battle"). Early Polish historians thought the term may have derived from the name of the legendary proto-Polish chief, Lech, mentioned in Polish and Czech writings.

Question:
What did the poles of the 17th century think the term szlachta came from?

German "schlachten"