þýskrar
þýskrar is the genitive singular feminine form of the adjective "þýskur" in the Icelandic language. "Þýskur" translates to "German" in English. Therefore, "þýskrar" specifically denotes possession or relation to something feminine and singular that is German.
For instance, if one were to speak of "the capital of Germany" in Icelandic, and if "capital"
The adjective "þýskur" itself declines based on gender, number, and case, with "þýskrar" being one specific manifestation