synderesis

[ sin-duh-ree-sis ]
/ ˌsɪn dəˈri sɪs /

noun

innate knowledge of the basic principles of morality.
Christian Mysticism. the essence of the soul that unites with God.
Also synteresis.

Origin of synderesis

1350–1400; Middle English < Medieval Latin syndērēsis, syntērēsis < Greek syntḗrēsis a guarding, equivalent to syntērē-, variant stem of syntēreîn to guard closely ( syn- syn- + tēreîn to guard) + -sis -sis