unterrichtlichen
Unterrichtlichen is the inflected form of the German adjective unterrichtlich, meaning relating to instruction or teaching. It is used to describe things connected with education, especially in formal, administrative, or scholarly contexts. The term derives from the noun Unterricht (instruction, teaching) with the suffix -lich, which signals characteristic or pertaining to.
Usage and scope: The adjective appears in phrases such as unterrichtliche Inhalte (curricular content), unterrichtliche Ziele
Register and synonyms: The word is relatively formal and common in educational literature, school administration, curriculum