ˌsindəˈrēsə̇s noun
or syn·te·re·sis -ntə-
( -es )
Etymology: Medieval Latin, from Greek syntērēsis preservation, from syntērein to preserve (from syn- + tērein to guard, observe) + -sis; akin to Greek tinein to pay — more at pain
1. : inborn knowledge of the primary principles of moral action — distinguished from syneidesis
2. : the essence, ground, or center of the soul that enters into communion with God : the spark or emanation of divinity in the soul