Ordnung
/ˈɔːdnʊŋ/noun
In the Amish community: an unwritten but strictly upheld code of behaviour, reviewed and updated twice yearly by the church's leaders and subject to endorsement by its members.
Origin
1920s; earliest use found in Mennonite Quarterly Review. From German Ordnung order (Old High German ordinunga from ordinōn (from classical Latin ōrdināre) + -unga), via specifically use in Pennsylvania German.