Sentence:  [W]ith the utmost strictness, we excommunicate digamists, as bringing infamy upon the Paraclete by the irregularity of their discipline. The selfsame <WSD>liminal</WSD> limit we fix for adulterers also and fornicators; dooming them to pour forth tears barren of peace, and to regain from the church no ampler return than the publication of their disgrace. 
Meaning of the word marked with <WSD> tags:  Of or pertaining to an entrance or threshold. (from late 19th c.)