*synteresi*

n. [ NL., fr. Gr. &unr_; preservation, fr. &unr_; to preserve; sy`n with + &unr_; to guard. ] 1. (Med.) Prophylaxis. [ Obs. ] [ 1913 Webster ]

2. (Metaph.) Conscience viewed as the internal repository of the laws of duty. Whewell. [ 1913 Webster ]